12x-15=4x+5

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


Simplifying
12x + -15 = 4x + 5

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

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

Solving
-15 + 12x = 5 + 4x

Solving for variable 'x'.

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

Add '-4x' to each side of the equation.
-15 + 12x + -4x = 5 + 4x + -4x

Combine like terms: 12x + -4x = 8x
-15 + 8x = 5 + 4x + -4x

Combine like terms: 4x + -4x = 0
-15 + 8x = 5 + 0
-15 + 8x = 5

Add '15' to each side of the equation.
-15 + 15 + 8x = 5 + 15

Combine like terms: -15 + 15 = 0
0 + 8x = 5 + 15
8x = 5 + 15

Combine like terms: 5 + 15 = 20
8x = 20

Divide each side by '8'.
x = 2.5

Simplifying
x = 2.5

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