4(5+2x)-5=(3x+7)

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Solution for 4(5+2x)-5=(3x+7) equation:


Simplifying
4(5 + 2x) + -5 = (3x + 7)
(5 * 4 + 2x * 4) + -5 = (3x + 7)
(20 + 8x) + -5 = (3x + 7)

Reorder the terms:
20 + -5 + 8x = (3x + 7)

Combine like terms: 20 + -5 = 15
15 + 8x = (3x + 7)

Reorder the terms:
15 + 8x = (7 + 3x)

Remove parenthesis around (7 + 3x)
15 + 8x = 7 + 3x

Solving
15 + 8x = 7 + 3x

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
15 + 8x + -3x = 7 + 3x + -3x

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

Combine like terms: 3x + -3x = 0
15 + 5x = 7 + 0
15 + 5x = 7

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

Combine like terms: 15 + -15 = 0
0 + 5x = 7 + -15
5x = 7 + -15

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

Divide each side by '5'.
x = -1.6

Simplifying
x = -1.6

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