5(x+2)3=3x-8x+7

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Solution for 5(x+2)3=3x-8x+7 equation:


Simplifying
5(x + 2) * 3 = 3x + -8x + 7

Reorder the terms:
5(2 + x) * 3 = 3x + -8x + 7

Reorder the terms for easier multiplication:
5 * 3(2 + x) = 3x + -8x + 7

Multiply 5 * 3
15(2 + x) = 3x + -8x + 7
(2 * 15 + x * 15) = 3x + -8x + 7
(30 + 15x) = 3x + -8x + 7

Reorder the terms:
30 + 15x = 7 + 3x + -8x

Combine like terms: 3x + -8x = -5x
30 + 15x = 7 + -5x

Solving
30 + 15x = 7 + -5x

Solving for variable 'x'.

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

Add '5x' to each side of the equation.
30 + 15x + 5x = 7 + -5x + 5x

Combine like terms: 15x + 5x = 20x
30 + 20x = 7 + -5x + 5x

Combine like terms: -5x + 5x = 0
30 + 20x = 7 + 0
30 + 20x = 7

Add '-30' to each side of the equation.
30 + -30 + 20x = 7 + -30

Combine like terms: 30 + -30 = 0
0 + 20x = 7 + -30
20x = 7 + -30

Combine like terms: 7 + -30 = -23
20x = -23

Divide each side by '20'.
x = -1.15

Simplifying
x = -1.15

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