.3(x+40)+.1x=16

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Solution for .3(x+40)+.1x=16 equation: 


Simplifying
0.3(x + 40) + 0.1x = 16

Reorder the terms:
0.3(40 + x) + 0.1x = 16
(40 * 0.3 + x * 0.3) + 0.1x = 16
(12 + 0.3x) + 0.1x = 16

Combine like terms: 0.3x + 0.1x = 0.4x
12 + 0.4x = 16

Solving
12 + 0.4x = 16

Solving for variable 'x'.

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

Add '-12' to each side of the equation.
12 + -12 + 0.4x = 16 + -12

Combine like terms: 12 + -12 = 0
0 + 0.4x = 16 + -12
0.4x = 16 + -12

Combine like terms: 16 + -12 = 4
0.4x = 4

Divide each side by '0.4'.
x = 10

Simplifying
x = 10

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