7-(4-x)=8

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


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

Combine like terms: 7 + -4 = 3
3 + 1x = 8

Solving
3 + 1x = 8

Solving for variable 'x'.

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

Add '-3' to each side of the equation.
3 + -3 + 1x = 8 + -3

Combine like terms: 3 + -3 = 0
0 + 1x = 8 + -3
1x = 8 + -3

Combine like terms: 8 + -3 = 5
1x = 5

Divide each side by '1'.
x = 5

Simplifying
x = 5

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