7-(x-4)=8

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Solution for 7-(x-4)=8 equation:


Simplifying
7 + -1(x + -4) = 8

Reorder the terms:
7 + -1(-4 + x) = 8
7 + (-4 * -1 + x * -1) = 8
7 + (4 + -1x) = 8

Combine like terms: 7 + 4 = 11
11 + -1x = 8

Solving
11 + -1x = 8

Solving for variable 'x'.

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

Add '-11' to each side of the equation.
11 + -11 + -1x = 8 + -11

Combine like terms: 11 + -11 = 0
0 + -1x = 8 + -11
-1x = 8 + -11

Combine like terms: 8 + -11 = -3
-1x = -3

Divide each side by '-1'.
x = 3

Simplifying
x = 3

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