0.2(x+50)-0.07(x-30)=4.3

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Solution for 0.2(x+50)-0.07(x-30)=4.3 equation: 


Simplifying
0.2(x + 50) + -0.07(x + -30) = 4.3

Reorder the terms:
0.2(50 + x) + -0.07(x + -30) = 4.3
(50 * 0.2 + x * 0.2) + -0.07(x + -30) = 4.3
(10 + 0.2x) + -0.07(x + -30) = 4.3

Reorder the terms:
10 + 0.2x + -0.07(-30 + x) = 4.3
10 + 0.2x + (-30 * -0.07 + x * -0.07) = 4.3
10 + 0.2x + (2.1 + -0.07x) = 4.3

Reorder the terms:
10 + 2.1 + 0.2x + -0.07x = 4.3

Combine like terms: 10 + 2.1 = 12.1
12.1 + 0.2x + -0.07x = 4.3

Combine like terms: 0.2x + -0.07x = 0.13x
12.1 + 0.13x = 4.3

Solving
12.1 + 0.13x = 4.3

Solving for variable 'x'.

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

Add '-12.1' to each side of the equation.
12.1 + -12.1 + 0.13x = 4.3 + -12.1

Combine like terms: 12.1 + -12.1 = 0.0
0.0 + 0.13x = 4.3 + -12.1
0.13x = 4.3 + -12.1

Combine like terms: 4.3 + -12.1 = -7.8
0.13x = -7.8

Divide each side by '0.13'.
x = -60

Simplifying
x = -60

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