0.2(x+40)-0.02(x-60)=4

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Solution for 0.2(x+40)-0.02(x-60)=4 equation: 


Simplifying
0.2(x + 40) + -0.02(x + -60) = 4

Reorder the terms:
0.2(40 + x) + -0.02(x + -60) = 4
(40 * 0.2 + x * 0.2) + -0.02(x + -60) = 4
(8 + 0.2x) + -0.02(x + -60) = 4

Reorder the terms:
8 + 0.2x + -0.02(-60 + x) = 4
8 + 0.2x + (-60 * -0.02 + x * -0.02) = 4
8 + 0.2x + (1.2 + -0.02x) = 4

Reorder the terms:
8 + 1.2 + 0.2x + -0.02x = 4

Combine like terms: 8 + 1.2 = 9.2
9.2 + 0.2x + -0.02x = 4

Combine like terms: 0.2x + -0.02x = 0.18x
9.2 + 0.18x = 4

Solving
9.2 + 0.18x = 4

Solving for variable 'x'.

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

Add '-9.2' to each side of the equation.
9.2 + -9.2 + 0.18x = 4 + -9.2

Combine like terms: 9.2 + -9.2 = 0.0
0.0 + 0.18x = 4 + -9.2
0.18x = 4 + -9.2

Combine like terms: 4 + -9.2 = -5.2
0.18x = -5.2

Divide each side by '0.18'.
x = -28.88888889

Simplifying
x = -28.88888889

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