20X-15=12X-7

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Solution for 20X-15=12X-7 equation:


Simplifying
20X + -15 = 12X + -7

Reorder the terms:
-15 + 20X = 12X + -7

Reorder the terms:
-15 + 20X = -7 + 12X

Solving
-15 + 20X = -7 + 12X

Solving for variable 'X'.

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

Add '-12X' to each side of the equation.
-15 + 20X + -12X = -7 + 12X + -12X

Combine like terms: 20X + -12X = 8X
-15 + 8X = -7 + 12X + -12X

Combine like terms: 12X + -12X = 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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