0.10(x+20)+0.70x=18

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Solution for 0.10(x+20)+0.70x=18 equation: 


Simplifying
0.10(x + 20) + 0.70x = 18

Reorder the terms:
0.10(20 + x) + 0.70x = 18
(20 * 0.10 + x * 0.10) + 0.70x = 18
(2 + 0.10x) + 0.70x = 18

Combine like terms: 0.10x + 0.70x = 0.8x
2 + 0.8x = 18

Solving
2 + 0.8x = 18

Solving for variable 'x'.

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

Add '-2' to each side of the equation.
2 + -2 + 0.8x = 18 + -2

Combine like terms: 2 + -2 = 0
0 + 0.8x = 18 + -2
0.8x = 18 + -2

Combine like terms: 18 + -2 = 16
0.8x = 16

Divide each side by '0.8'.
x = 20

Simplifying
x = 20

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