20=x+1.2(18-x)

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Solution for 20=x+1.2(18-x) equation:


Simplifying
20 = x + 1.2(18 + -1x)
20 = x + (18 * 1.2 + -1x * 1.2)
20 = x + (21.6 + -1.2x)

Reorder the terms:
20 = 21.6 + x + -1.2x

Combine like terms: x + -1.2x = -0.2x
20 = 21.6 + -0.2x

Solving
20 = 21.6 + -0.2x

Solving for variable 'x'.

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

Add '0.2x' to each side of the equation.
20 + 0.2x = 21.6 + -0.2x + 0.2x

Combine like terms: -0.2x + 0.2x = 0.0
20 + 0.2x = 21.6 + 0.0
20 + 0.2x = 21.6

Add '-20' to each side of the equation.
20 + -20 + 0.2x = 21.6 + -20

Combine like terms: 20 + -20 = 0
0 + 0.2x = 21.6 + -20
0.2x = 21.6 + -20

Combine like terms: 21.6 + -20 = 1.6
0.2x = 1.6

Divide each side by '0.2'.
x = 8

Simplifying
x = 8

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