20x-15=28x-7

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Solution for 20x-15=28x-7 equation:


Simplifying
20x + -15 = 28x + -7

Reorder the terms:
-15 + 20x = 28x + -7

Reorder the terms:
-15 + 20x = -7 + 28x

Solving
-15 + 20x = -7 + 28x

Solving for variable 'x'.

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

Add '-28x' to each side of the equation.
-15 + 20x + -28x = -7 + 28x + -28x

Combine like terms: 20x + -28x = -8x
-15 + -8x = -7 + 28x + -28x

Combine like terms: 28x + -28x = 0
-15 + -8x = -7 + 0
-15 + -8x = -7

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

Combine like terms: -15 + 15 = 0
0 + -8x = -7 + 15
-8x = -7 + 15

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

Divide each side by '-8'.
x = -1

Simplifying
x = -1

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