0.25(x+30)-0.03(x-60)=-3.9

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Solution for 0.25(x+30)-0.03(x-60)=-3.9 equation:


Simplifying
0.25(x + 30) + -0.03(x + -60) = -3.9

Reorder the terms:
0.25(30 + x) + -0.03(x + -60) = -3.9
(30 * 0.25 + x * 0.25) + -0.03(x + -60) = -3.9
(7.5 + 0.25x) + -0.03(x + -60) = -3.9

Reorder the terms:
7.5 + 0.25x + -0.03(-60 + x) = -3.9
7.5 + 0.25x + (-60 * -0.03 + x * -0.03) = -3.9
7.5 + 0.25x + (1.8 + -0.03x) = -3.9

Reorder the terms:
7.5 + 1.8 + 0.25x + -0.03x = -3.9

Combine like terms: 7.5 + 1.8 = 9.3
9.3 + 0.25x + -0.03x = -3.9

Combine like terms: 0.25x + -0.03x = 0.22x
9.3 + 0.22x = -3.9

Solving
9.3 + 0.22x = -3.9

Solving for variable 'x'.

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

Add '-9.3' to each side of the equation.
9.3 + -9.3 + 0.22x = -3.9 + -9.3

Combine like terms: 9.3 + -9.3 = 0.0
0.0 + 0.22x = -3.9 + -9.3
0.22x = -3.9 + -9.3

Combine like terms: -3.9 + -9.3 = -13.2
0.22x = -13.2

Divide each side by '0.22'.
x = -60

Simplifying
x = -60

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