0.4(x+90)+0.2x=45

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Solution for 0.4(x+90)+0.2x=45 equation: 


Simplifying
0.4(x + 90) + 0.2x = 45

Reorder the terms:
0.4(90 + x) + 0.2x = 45
(90 * 0.4 + x * 0.4) + 0.2x = 45
(36 + 0.4x) + 0.2x = 45

Combine like terms: 0.4x + 0.2x = 0.6x
36 + 0.6x = 45

Solving
36 + 0.6x = 45

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 + 0.6x = 45 + -36

Combine like terms: 36 + -36 = 0
0 + 0.6x = 45 + -36
0.6x = 45 + -36

Combine like terms: 45 + -36 = 9
0.6x = 9

Divide each side by '0.6'.
x = 15

Simplifying
x = 15

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