5x+15-4x+12=20

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Solution for 5x+15-4x+12=20 equation:


Simplifying
5x + 15 + -4x + 12 = 20

Reorder the terms:
15 + 12 + 5x + -4x = 20

Combine like terms: 15 + 12 = 27
27 + 5x + -4x = 20

Combine like terms: 5x + -4x = 1x
27 + 1x = 20

Solving
27 + 1x = 20

Solving for variable 'x'.

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

Add '-27' to each side of the equation.
27 + -27 + 1x = 20 + -27

Combine like terms: 27 + -27 = 0
0 + 1x = 20 + -27
1x = 20 + -27

Combine like terms: 20 + -27 = -7
1x = -7

Divide each side by '1'.
x = -7

Simplifying
x = -7

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