3x+7-8(x+1)=2x+4

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Solution for 3x+7-8(x+1)=2x+4 equation:


Simplifying
3x + 7 + -8(x + 1) = 2x + 4

Reorder the terms:
3x + 7 + -8(1 + x) = 2x + 4
3x + 7 + (1 * -8 + x * -8) = 2x + 4
3x + 7 + (-8 + -8x) = 2x + 4

Reorder the terms:
7 + -8 + 3x + -8x = 2x + 4

Combine like terms: 7 + -8 = -1
-1 + 3x + -8x = 2x + 4

Combine like terms: 3x + -8x = -5x
-1 + -5x = 2x + 4

Reorder the terms:
-1 + -5x = 4 + 2x

Solving
-1 + -5x = 4 + 2x

Solving for variable 'x'.

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

Add '-2x' to each side of the equation.
-1 + -5x + -2x = 4 + 2x + -2x

Combine like terms: -5x + -2x = -7x
-1 + -7x = 4 + 2x + -2x

Combine like terms: 2x + -2x = 0
-1 + -7x = 4 + 0
-1 + -7x = 4

Add '1' to each side of the equation.
-1 + 1 + -7x = 4 + 1

Combine like terms: -1 + 1 = 0
0 + -7x = 4 + 1
-7x = 4 + 1

Combine like terms: 4 + 1 = 5
-7x = 5

Divide each side by '-7'.
x = -0.7142857143

Simplifying
x = -0.7142857143

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