0.1(x+20)-0.04(90-60)=8

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Solution for 0.1(x+20)-0.04(90-60)=8 equation: 


Simplifying
0.1(x + 20) + -0.04(90 + -60) = 8

Reorder the terms:
0.1(20 + x) + -0.04(90 + -60) = 8
(20 * 0.1 + x * 0.1) + -0.04(90 + -60) = 8
(2 + 0.1x) + -0.04(90 + -60) = 8

Combine like terms: 90 + -60 = 30
2 + 0.1x + -0.04(30) = 8

Multiply -0.04 * 30
2 + 0.1x + -1.2 = 8

Reorder the terms:
2 + -1.2 + 0.1x = 8

Combine like terms: 2 + -1.2 = 0.8
0.8 + 0.1x = 8

Solving
0.8 + 0.1x = 8

Solving for variable 'x'.

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

Add '-0.8' to each side of the equation.
0.8 + -0.8 + 0.1x = 8 + -0.8

Combine like terms: 0.8 + -0.8 = 0.0
0.0 + 0.1x = 8 + -0.8
0.1x = 8 + -0.8

Combine like terms: 8 + -0.8 = 7.2
0.1x = 7.2

Divide each side by '0.1'.
x = 72

Simplifying
x = 72

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