0.1(x+20)+0.7x=18

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Solution for 0.1(x+20)+0.7x=18 equation:


Simplifying
0.1(x + 20) + 0.7x = 18

Reorder the terms:
0.1(20 + x) + 0.7x = 18
(20 * 0.1 + x * 0.1) + 0.7x = 18
(2 + 0.1x) + 0.7x = 18

Combine like terms: 0.1x + 0.7x = 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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