.7x-12=15-.4x

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Solution for .7x-12=15-.4x equation:


Simplifying
0.7x + -12 = 15 + -0.4x

Reorder the terms:
-12 + 0.7x = 15 + -0.4x

Solving
-12 + 0.7x = 15 + -0.4x

Solving for variable 'x'.

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

Add '0.4x' to each side of the equation.
-12 + 0.7x + 0.4x = 15 + -0.4x + 0.4x

Combine like terms: 0.7x + 0.4x = 1.1x
-12 + 1.1x = 15 + -0.4x + 0.4x

Combine like terms: -0.4x + 0.4x = 0.0
-12 + 1.1x = 15 + 0.0
-12 + 1.1x = 15

Add '12' to each side of the equation.
-12 + 12 + 1.1x = 15 + 12

Combine like terms: -12 + 12 = 0
0 + 1.1x = 15 + 12
1.1x = 15 + 12

Combine like terms: 15 + 12 = 27
1.1x = 27

Divide each side by '1.1'.
x = 24.54545455

Simplifying
x = 24.54545455

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