0.9(x+40)+0.9x=117

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Solution for 0.9(x+40)+0.9x=117 equation: 


Simplifying
0.9(x + 40) + 0.9x = 117

Reorder the terms:
0.9(40 + x) + 0.9x = 117
(40 * 0.9 + x * 0.9) + 0.9x = 117
(36 + 0.9x) + 0.9x = 117

Combine like terms: 0.9x + 0.9x = 1.8x
36 + 1.8x = 117

Solving
36 + 1.8x = 117

Solving for variable 'x'.

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

Add '-36' to each side of the equation.
36 + -36 + 1.8x = 117 + -36

Combine like terms: 36 + -36 = 0
0 + 1.8x = 117 + -36
1.8x = 117 + -36

Combine like terms: 117 + -36 = 81
1.8x = 81

Divide each side by '1.8'.
x = 45

Simplifying
x = 45

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