4x-(7-x)=5x+(x-12)

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Solution for 4x-(7-x)=5x+(x-12) equation:


Simplifying
4x + -1(7 + -1x) = 5x + (x + -12)
4x + (7 * -1 + -1x * -1) = 5x + (x + -12)
4x + (-7 + 1x) = 5x + (x + -12)

Reorder the terms:
-7 + 4x + 1x = 5x + (x + -12)

Combine like terms: 4x + 1x = 5x
-7 + 5x = 5x + (x + -12)

Reorder the terms:
-7 + 5x = 5x + (-12 + x)

Remove parenthesis around (-12 + x)
-7 + 5x = 5x + -12 + x

Reorder the terms:
-7 + 5x = -12 + 5x + x

Combine like terms: 5x + x = 6x
-7 + 5x = -12 + 6x

Solving
-7 + 5x = -12 + 6x

Solving for variable 'x'.

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

Add '-6x' to each side of the equation.
-7 + 5x + -6x = -12 + 6x + -6x

Combine like terms: 5x + -6x = -1x
-7 + -1x = -12 + 6x + -6x

Combine like terms: 6x + -6x = 0
-7 + -1x = -12 + 0
-7 + -1x = -12

Add '7' to each side of the equation.
-7 + 7 + -1x = -12 + 7

Combine like terms: -7 + 7 = 0
0 + -1x = -12 + 7
-1x = -12 + 7

Combine like terms: -12 + 7 = -5
-1x = -5

Divide each side by '-1'.
x = 5

Simplifying
x = 5

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