7(18-x)=6(3-5x)-(7x+21)-3(2x+5)

Simple and best practice solution for 7(18-x)=6(3-5x)-(7x+21)-3(2x+5) equation. Check how easy it is, and learn it for the future. Our solution is simple, and easy to understand, so don`t hesitate to use it as a solution of your homework.

If it's not what You are looking for type in the equation solver your own equation and let us solve it.

Solution for 7(18-x)=6(3-5x)-(7x+21)-3(2x+5) equation:


Simplifying
7(18 + -1x) = 6(3 + -5x) + -1(7x + 21) + -3(2x + 5)
(18 * 7 + -1x * 7) = 6(3 + -5x) + -1(7x + 21) + -3(2x + 5)
(126 + -7x) = 6(3 + -5x) + -1(7x + 21) + -3(2x + 5)
126 + -7x = (3 * 6 + -5x * 6) + -1(7x + 21) + -3(2x + 5)
126 + -7x = (18 + -30x) + -1(7x + 21) + -3(2x + 5)

Reorder the terms:
126 + -7x = 18 + -30x + -1(21 + 7x) + -3(2x + 5)
126 + -7x = 18 + -30x + (21 * -1 + 7x * -1) + -3(2x + 5)
126 + -7x = 18 + -30x + (-21 + -7x) + -3(2x + 5)

Reorder the terms:
126 + -7x = 18 + -30x + -21 + -7x + -3(5 + 2x)
126 + -7x = 18 + -30x + -21 + -7x + (5 * -3 + 2x * -3)
126 + -7x = 18 + -30x + -21 + -7x + (-15 + -6x)

Reorder the terms:
126 + -7x = 18 + -21 + -15 + -30x + -7x + -6x

Combine like terms: 18 + -21 = -3
126 + -7x = -3 + -15 + -30x + -7x + -6x

Combine like terms: -3 + -15 = -18
126 + -7x = -18 + -30x + -7x + -6x

Combine like terms: -30x + -7x = -37x
126 + -7x = -18 + -37x + -6x

Combine like terms: -37x + -6x = -43x
126 + -7x = -18 + -43x

Solving
126 + -7x = -18 + -43x

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '43x' to each side of the equation.
126 + -7x + 43x = -18 + -43x + 43x

Combine like terms: -7x + 43x = 36x
126 + 36x = -18 + -43x + 43x

Combine like terms: -43x + 43x = 0
126 + 36x = -18 + 0
126 + 36x = -18

Add '-126' to each side of the equation.
126 + -126 + 36x = -18 + -126

Combine like terms: 126 + -126 = 0
0 + 36x = -18 + -126
36x = -18 + -126

Combine like terms: -18 + -126 = -144
36x = -144

Divide each side by '36'.
x = -4

Simplifying
x = -4

See similar equations:

| 4x=x+78 | | -3x^2+36x-96=0 | | -23-3x=14-7x | | 2x+4=90 | | 3x-4=180 | | 20+4(w-5)=5-2w | | 30-7x=5 | | (x-5)=42 | | -10(x+1)+2=-x+10 | | w^2+5w-66=0 | | x^2+16x+c=0 | | 2x+8=-47-9 | | 4x^4+3x^2-10x=0 | | 3-7t=3t+2 | | 4x^4+3x^2-10x^2=0 | | 10+4v=-7 | | 2k+b=28 | | k+2b=28 | | 3x+2=x-10 | | 8x^3+23x^2-36x=0 | | 5y-6=-y+3 | | 9=2b-5 | | -2+4t=-10 | | 7y=3x+1 | | 8x+13y=2 | | x-0.285x=13.28 | | 2x-10=32 | | x^10=5 | | 11xy+6x^2+3y^2=0 | | 2x-5=5x+1 | | 3x^2+2y^2+24xy-6y+15=0 | | -4(-4+2)=9(-4)+5 |

Equations solver categories