15.21+0.07(x+3)=15.96-0.13x

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Solution for 15.21+0.07(x+3)=15.96-0.13x equation: 


Simplifying
15.21 + 0.07(x + 3) = 15.96 + -0.13x

Reorder the terms:
15.21 + 0.07(3 + x) = 15.96 + -0.13x
15.21 + (3 * 0.07 + x * 0.07) = 15.96 + -0.13x
15.21 + (0.21 + 0.07x) = 15.96 + -0.13x

Combine like terms: 15.21 + 0.21 = 15.42
15.42 + 0.07x = 15.96 + -0.13x

Solving
15.42 + 0.07x = 15.96 + -0.13x

Solving for variable 'x'.

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

Add '0.13x' to each side of the equation.
15.42 + 0.07x + 0.13x = 15.96 + -0.13x + 0.13x

Combine like terms: 0.07x + 0.13x = 0.2x
15.42 + 0.2x = 15.96 + -0.13x + 0.13x

Combine like terms: -0.13x + 0.13x = 0.00
15.42 + 0.2x = 15.96 + 0.00
15.42 + 0.2x = 15.96

Add '-15.42' to each side of the equation.
15.42 + -15.42 + 0.2x = 15.96 + -15.42

Combine like terms: 15.42 + -15.42 = 0.00
0.00 + 0.2x = 15.96 + -15.42
0.2x = 15.96 + -15.42

Combine like terms: 15.96 + -15.42 = 0.54
0.2x = 0.54

Divide each side by '0.2'.
x = 2.7

Simplifying
x = 2.7

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