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

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Solution for 7x+7-4(x+1)=8x+7 equation:


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

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

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

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

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

Reorder the terms:
3 + 3x = 7 + 8x

Solving
3 + 3x = 7 + 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 + 3x + -8x = 7 + 8x + -8x

Combine like terms: 3x + -8x = -5x
3 + -5x = 7 + 8x + -8x

Combine like terms: 8x + -8x = 0
3 + -5x = 7 + 0
3 + -5x = 7

Add '-3' to each side of the equation.
3 + -3 + -5x = 7 + -3

Combine like terms: 3 + -3 = 0
0 + -5x = 7 + -3
-5x = 7 + -3

Combine like terms: 7 + -3 = 4
-5x = 4

Divide each side by '-5'.
x = -0.8

Simplifying
x = -0.8

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