12.87+0.07(x+3)=13.37-0.16x

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Solution for 12.87+0.07(x+3)=13.37-0.16x equation: 


Simplifying
12.87 + 0.07(x + 3) = 13.37 + -0.16x

Reorder the terms:
12.87 + 0.07(3 + x) = 13.37 + -0.16x
12.87 + (3 * 0.07 + x * 0.07) = 13.37 + -0.16x
12.87 + (0.21 + 0.07x) = 13.37 + -0.16x

Combine like terms: 12.87 + 0.21 = 13.08
13.08 + 0.07x = 13.37 + -0.16x

Solving
13.08 + 0.07x = 13.37 + -0.16x

Solving for variable 'x'.

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

Add '0.16x' to each side of the equation.
13.08 + 0.07x + 0.16x = 13.37 + -0.16x + 0.16x

Combine like terms: 0.07x + 0.16x = 0.23x
13.08 + 0.23x = 13.37 + -0.16x + 0.16x

Combine like terms: -0.16x + 0.16x = 0.00
13.08 + 0.23x = 13.37 + 0.00
13.08 + 0.23x = 13.37

Add '-13.08' to each side of the equation.
13.08 + -13.08 + 0.23x = 13.37 + -13.08

Combine like terms: 13.08 + -13.08 = 0.00
0.00 + 0.23x = 13.37 + -13.08
0.23x = 13.37 + -13.08

Combine like terms: 13.37 + -13.08 = 0.29
0.23x = 0.29

Divide each side by '0.23'.
x = 1.260869565

Simplifying
x = 1.260869565

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