3x+18=7-(2x+8)

Simple and best practice solution for 3x+18=7-(2x+8) 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 3x+18=7-(2x+8) equation:


Simplifying
3x + 18 = 7 + -1(2x + 8)

Reorder the terms:
18 + 3x = 7 + -1(2x + 8)

Reorder the terms:
18 + 3x = 7 + -1(8 + 2x)
18 + 3x = 7 + (8 * -1 + 2x * -1)
18 + 3x = 7 + (-8 + -2x)

Combine like terms: 7 + -8 = -1
18 + 3x = -1 + -2x

Solving
18 + 3x = -1 + -2x

Solving for variable 'x'.

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

Add '2x' to each side of the equation.
18 + 3x + 2x = -1 + -2x + 2x

Combine like terms: 3x + 2x = 5x
18 + 5x = -1 + -2x + 2x

Combine like terms: -2x + 2x = 0
18 + 5x = -1 + 0
18 + 5x = -1

Add '-18' to each side of the equation.
18 + -18 + 5x = -1 + -18

Combine like terms: 18 + -18 = 0
0 + 5x = -1 + -18
5x = -1 + -18

Combine like terms: -1 + -18 = -19
5x = -19

Divide each side by '5'.
x = -3.8

Simplifying
x = -3.8

See similar equations:

| x^4-2x^2-35=0 | | -33=-6r+9 | | 5(x+3)+3x+5=5x+9 | | (T+2)(t-5)=0 | | 3.5x=14.7 | | 24x=-36 | | 4n=9 | | 4x-8=-10 | | x^2+8x+23=0 | | -28x=21 | | 23.8=3.5b | | 12x^3-16x^2-20x= | | 3t=9(s-5*6r) | | 1.6x=1.6 | | x+4=48 | | 5b=2b-42-36 | | -6q+1.7=-35.1-1.4q | | -4=1a-15 | | 4w-6=10 | | 48x=-12 | | 32=3.2c | | -6q+1.7=-35.1-1.4qsolve | | 7(x+1)=2(x+4) | | -x^5+4x^4-3x^3= | | 12x+3=30 | | -x=108 | | 9x-4y=36 | | 6(2x+3)=2(5x+8) | | 15=4.3x-2.1(x-4) | | 8=5d-12 | | 67.31-8.6+212.198= | | -8y=-96 |

Equations solver categories