15.81+.12(x+3)=16.31+.14x

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Solution for 15.81+.12(x+3)=16.31+.14x equation: 


Simplifying
15.81 + 0.12(x + 3) = 16.31 + 0.14x

Reorder the terms:
15.81 + 0.12(3 + x) = 16.31 + 0.14x
15.81 + (3 * 0.12 + x * 0.12) = 16.31 + 0.14x
15.81 + (0.36 + 0.12x) = 16.31 + 0.14x

Combine like terms: 15.81 + 0.36 = 16.17
16.17 + 0.12x = 16.31 + 0.14x

Solving
16.17 + 0.12x = 16.31 + 0.14x

Solving for variable 'x'.

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

Add '-0.14x' to each side of the equation.
16.17 + 0.12x + -0.14x = 16.31 + 0.14x + -0.14x

Combine like terms: 0.12x + -0.14x = -0.02x
16.17 + -0.02x = 16.31 + 0.14x + -0.14x

Combine like terms: 0.14x + -0.14x = 0.00
16.17 + -0.02x = 16.31 + 0.00
16.17 + -0.02x = 16.31

Add '-16.17' to each side of the equation.
16.17 + -16.17 + -0.02x = 16.31 + -16.17

Combine like terms: 16.17 + -16.17 = 0.00
0.00 + -0.02x = 16.31 + -16.17
-0.02x = 16.31 + -16.17

Combine like terms: 16.31 + -16.17 = 0.14
-0.02x = 0.14

Divide each side by '-0.02'.
x = -7

Simplifying
x = -7

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