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

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


Simplifying
(7x + 4) + -1(8x + -4) = 0

Reorder the terms:
(4 + 7x) + -1(8x + -4) = 0

Remove parenthesis around (4 + 7x)
4 + 7x + -1(8x + -4) = 0

Reorder the terms:
4 + 7x + -1(-4 + 8x) = 0
4 + 7x + (-4 * -1 + 8x * -1) = 0
4 + 7x + (4 + -8x) = 0

Reorder the terms:
4 + 4 + 7x + -8x = 0

Combine like terms: 4 + 4 = 8
8 + 7x + -8x = 0

Combine like terms: 7x + -8x = -1x
8 + -1x = 0

Solving
8 + -1x = 0

Solving for variable 'x'.

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

Add '-8' to each side of the equation.
8 + -8 + -1x = 0 + -8

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

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

Divide each side by '-1'.
x = 8

Simplifying
x = 8

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