20x+20-12=30x-15

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Solution for 20x+20-12=30x-15 equation:


Simplifying
20x + 20 + -12 = 30x + -15

Reorder the terms:
20 + -12 + 20x = 30x + -15

Combine like terms: 20 + -12 = 8
8 + 20x = 30x + -15

Reorder the terms:
8 + 20x = -15 + 30x

Solving
8 + 20x = -15 + 30x

Solving for variable 'x'.

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

Add '-30x' to each side of the equation.
8 + 20x + -30x = -15 + 30x + -30x

Combine like terms: 20x + -30x = -10x
8 + -10x = -15 + 30x + -30x

Combine like terms: 30x + -30x = 0
8 + -10x = -15 + 0
8 + -10x = -15

Add '-8' to each side of the equation.
8 + -8 + -10x = -15 + -8

Combine like terms: 8 + -8 = 0
0 + -10x = -15 + -8
-10x = -15 + -8

Combine like terms: -15 + -8 = -23
-10x = -23

Divide each side by '-10'.
x = 2.3

Simplifying
x = 2.3

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