(2x+4)+(7x-7)=8x

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Solution for (2x+4)+(7x-7)=8x equation:


Simplifying
(2x + 4) + (7x + -7) = 8x

Reorder the terms:
(4 + 2x) + (7x + -7) = 8x

Remove parenthesis around (4 + 2x)
4 + 2x + (7x + -7) = 8x

Reorder the terms:
4 + 2x + (-7 + 7x) = 8x

Remove parenthesis around (-7 + 7x)
4 + 2x + -7 + 7x = 8x

Reorder the terms:
4 + -7 + 2x + 7x = 8x

Combine like terms: 4 + -7 = -3
-3 + 2x + 7x = 8x

Combine like terms: 2x + 7x = 9x
-3 + 9x = 8x

Solving
-3 + 9x = 8x

Solving for variable 'x'.

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

Add '-8x' to each side of the equation.
-3 + 9x + -8x = 8x + -8x

Combine like terms: 9x + -8x = 1x
-3 + 1x = 8x + -8x

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

Add '3' to each side of the equation.
-3 + 3 + 1x = 0 + 3

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

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

Divide each side by '1'.
x = 3

Simplifying
x = 3

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