3x-(x+4)=7-(x-7)

Simple and best practice solution for 3x-(x+4)=7-(x-7) 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-(x+4)=7-(x-7) equation:


Simplifying
3x + -1(x + 4) = 7 + -1(x + -7)

Reorder the terms:
3x + -1(4 + x) = 7 + -1(x + -7)
3x + (4 * -1 + x * -1) = 7 + -1(x + -7)
3x + (-4 + -1x) = 7 + -1(x + -7)

Reorder the terms:
-4 + 3x + -1x = 7 + -1(x + -7)

Combine like terms: 3x + -1x = 2x
-4 + 2x = 7 + -1(x + -7)

Reorder the terms:
-4 + 2x = 7 + -1(-7 + x)
-4 + 2x = 7 + (-7 * -1 + x * -1)
-4 + 2x = 7 + (7 + -1x)

Combine like terms: 7 + 7 = 14
-4 + 2x = 14 + -1x

Solving
-4 + 2x = 14 + -1x

Solving for variable 'x'.

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

Add 'x' to each side of the equation.
-4 + 2x + x = 14 + -1x + x

Combine like terms: 2x + x = 3x
-4 + 3x = 14 + -1x + x

Combine like terms: -1x + x = 0
-4 + 3x = 14 + 0
-4 + 3x = 14

Add '4' to each side of the equation.
-4 + 4 + 3x = 14 + 4

Combine like terms: -4 + 4 = 0
0 + 3x = 14 + 4
3x = 14 + 4

Combine like terms: 14 + 4 = 18
3x = 18

Divide each side by '3'.
x = 6

Simplifying
x = 6

See similar equations:

| 2x(4x-1)=11 | | 6x+24=x-12 | | (-57)=-12+3r | | x^2=9(9+7) | | 4x^4-32x^3+59x^2+8x-15=0 | | -1.8u=6.3 | | 6x+2=(-10) | | 17x^2-44x-50=0 | | d+24=71 | | 3.8x-(-1-9.7x)=2.6+13.3x | | 4x+8=-37-5x | | 0=3x^3+x^2-11x-5 | | 3x+12=2x-15 | | H=-4.9t^2+30t+1.4 | | x-5x-10=9+2x-7 | | 15(3x+15)=20(20+x) | | log(x+2)=log(5x-3) | | (20b*20b)-17b=63 | | y=log(3x+1) | | a+10.4=-1.17 | | 7x+6(2x-2)=1-3x | | 2x^2+6x+9=3 | | 20b-17b=63 | | 5y+13=83 | | 13-4x=23 | | 2n^2-25=-5n | | 11(-6+6p)=-6(11-6p) | | 4a^2=-3a+1 | | 78=x^2+7x | | 78=x | | 6(7x+18)=402 | | n^2=-4n+21 |

Equations solver categories