0.9x-12=1.2x-15

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Solution for 0.9x-12=1.2x-15 equation:


Simplifying
0.9x + -12 = 1.2x + -15

Reorder the terms:
-12 + 0.9x = 1.2x + -15

Reorder the terms:
-12 + 0.9x = -15 + 1.2x

Solving
-12 + 0.9x = -15 + 1.2x

Solving for variable 'x'.

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

Add '-1.2x' to each side of the equation.
-12 + 0.9x + -1.2x = -15 + 1.2x + -1.2x

Combine like terms: 0.9x + -1.2x = -0.3x
-12 + -0.3x = -15 + 1.2x + -1.2x

Combine like terms: 1.2x + -1.2x = 0.0
-12 + -0.3x = -15 + 0.0
-12 + -0.3x = -15

Add '12' to each side of the equation.
-12 + 12 + -0.3x = -15 + 12

Combine like terms: -12 + 12 = 0
0 + -0.3x = -15 + 12
-0.3x = -15 + 12

Combine like terms: -15 + 12 = -3
-0.3x = -3

Divide each side by '-0.3'.
x = 10

Simplifying
x = 10

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