3(x+13)+1.5(x+13)=1.25

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Solution for 3(x+13)+1.5(x+13)=1.25 equation: 


Simplifying
3(x + 13) + 1.5(x + 13) = 1.25

Reorder the terms:
3(13 + x) + 1.5(x + 13) = 1.25
(13 * 3 + x * 3) + 1.5(x + 13) = 1.25
(39 + 3x) + 1.5(x + 13) = 1.25

Reorder the terms:
39 + 3x + 1.5(13 + x) = 1.25
39 + 3x + (13 * 1.5 + x * 1.5) = 1.25
39 + 3x + (19.5 + 1.5x) = 1.25

Reorder the terms:
39 + 19.5 + 3x + 1.5x = 1.25

Combine like terms: 39 + 19.5 = 58.5
58.5 + 3x + 1.5x = 1.25

Combine like terms: 3x + 1.5x = 4.5x
58.5 + 4.5x = 1.25

Solving
58.5 + 4.5x = 1.25

Solving for variable 'x'.

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

Add '-58.5' to each side of the equation.
58.5 + -58.5 + 4.5x = 1.25 + -58.5

Combine like terms: 58.5 + -58.5 = 0.0
0.0 + 4.5x = 1.25 + -58.5
4.5x = 1.25 + -58.5

Combine like terms: 1.25 + -58.5 = -57.25
4.5x = -57.25

Divide each side by '4.5'.
x = -12.72222222

Simplifying
x = -12.72222222

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