0.2(x+60)-0.08(x-30)=8.4

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Solution for 0.2(x+60)-0.08(x-30)=8.4 equation:


Simplifying
0.2(x + 60) + -0.08(x + -30) = 8.4

Reorder the terms:
0.2(60 + x) + -0.08(x + -30) = 8.4
(60 * 0.2 + x * 0.2) + -0.08(x + -30) = 8.4
(12 + 0.2x) + -0.08(x + -30) = 8.4

Reorder the terms:
12 + 0.2x + -0.08(-30 + x) = 8.4
12 + 0.2x + (-30 * -0.08 + x * -0.08) = 8.4
12 + 0.2x + (2.4 + -0.08x) = 8.4

Reorder the terms:
12 + 2.4 + 0.2x + -0.08x = 8.4

Combine like terms: 12 + 2.4 = 14.4
14.4 + 0.2x + -0.08x = 8.4

Combine like terms: 0.2x + -0.08x = 0.12x
14.4 + 0.12x = 8.4

Solving
14.4 + 0.12x = 8.4

Solving for variable 'x'.

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

Add '-14.4' to each side of the equation.
14.4 + -14.4 + 0.12x = 8.4 + -14.4

Combine like terms: 14.4 + -14.4 = 0.0
0.0 + 0.12x = 8.4 + -14.4
0.12x = 8.4 + -14.4

Combine like terms: 8.4 + -14.4 = -6
0.12x = -6

Divide each side by '0.12'.
x = -50

Simplifying
x = -50

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