4x-(x-7)=7

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Solution for 4x-(x-7)=7 equation:


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

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

Reorder the terms:
7 + 4x + -1x = 7

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

Add '-7' to each side of the equation.
7 + -7 + 3x = 7 + -7

Combine like terms: 7 + -7 = 0
0 + 3x = 7 + -7
3x = 7 + -7

Combine like terms: 7 + -7 = 0
3x = 0

Solving
3x = 0

Solving for variable 'x'.

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

Divide each side by '3'.
x = 0

Simplifying
x = 0

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