0.8(9+2x)=40

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Solution for 0.8(9+2x)=40 equation: 


Simplifying
0.8(9 + 2x) = 40
(9 * 0.8 + 2x * 0.8) = 40
(7.2 + 1.6x) = 40

Solving
7.2 + 1.6x = 40

Solving for variable 'x'.

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

Add '-7.2' to each side of the equation.
7.2 + -7.2 + 1.6x = 40 + -7.2

Combine like terms: 7.2 + -7.2 = 0.0
0.0 + 1.6x = 40 + -7.2
1.6x = 40 + -7.2

Combine like terms: 40 + -7.2 = 32.8
1.6x = 32.8

Divide each side by '1.6'.
x = 20.5

Simplifying
x = 20.5

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