3x+8=(2x+15)-20

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Solution for 3x+8=(2x+15)-20 equation:


Simplifying
3x + 8 = (2x + 15) + -20

Reorder the terms:
8 + 3x = (2x + 15) + -20

Reorder the terms:
8 + 3x = (15 + 2x) + -20

Remove parenthesis around (15 + 2x)
8 + 3x = 15 + 2x + -20

Reorder the terms:
8 + 3x = 15 + -20 + 2x

Combine like terms: 15 + -20 = -5
8 + 3x = -5 + 2x

Solving
8 + 3x = -5 + 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.
8 + 3x + -2x = -5 + 2x + -2x

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

Combine like terms: 2x + -2x = 0
8 + 1x = -5 + 0
8 + 1x = -5

Add '-8' to each side of the equation.
8 + -8 + 1x = -5 + -8

Combine like terms: 8 + -8 = 0
0 + 1x = -5 + -8
1x = -5 + -8

Combine like terms: -5 + -8 = -13
1x = -13

Divide each side by '1'.
x = -13

Simplifying
x = -13

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