0.4(x+50)+1.2x=84

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Solution for 0.4(x+50)+1.2x=84 equation: 


Simplifying
0.4(x + 50) + 1.2x = 84

Reorder the terms:
0.4(50 + x) + 1.2x = 84
(50 * 0.4 + x * 0.4) + 1.2x = 84
(20 + 0.4x) + 1.2x = 84

Combine like terms: 0.4x + 1.2x = 1.6x
20 + 1.6x = 84

Solving
20 + 1.6x = 84

Solving for variable 'x'.

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

Add '-20' to each side of the equation.
20 + -20 + 1.6x = 84 + -20

Combine like terms: 20 + -20 = 0
0 + 1.6x = 84 + -20
1.6x = 84 + -20

Combine like terms: 84 + -20 = 64
1.6x = 64

Divide each side by '1.6'.
x = 40

Simplifying
x = 40

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