0.05(x+20)-0.02(x-60)=3.1

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Solution for 0.05(x+20)-0.02(x-60)=3.1 equation: 


Simplifying
0.05(x + 20) + -0.02(x + -60) = 3.1

Reorder the terms:
0.05(20 + x) + -0.02(x + -60) = 3.1
(20 * 0.05 + x * 0.05) + -0.02(x + -60) = 3.1
(1 + 0.05x) + -0.02(x + -60) = 3.1

Reorder the terms:
1 + 0.05x + -0.02(-60 + x) = 3.1
1 + 0.05x + (-60 * -0.02 + x * -0.02) = 3.1
1 + 0.05x + (1.2 + -0.02x) = 3.1

Reorder the terms:
1 + 1.2 + 0.05x + -0.02x = 3.1

Combine like terms: 1 + 1.2 = 2.2
2.2 + 0.05x + -0.02x = 3.1

Combine like terms: 0.05x + -0.02x = 0.03x
2.2 + 0.03x = 3.1

Solving
2.2 + 0.03x = 3.1

Solving for variable 'x'.

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

Add '-2.2' to each side of the equation.
2.2 + -2.2 + 0.03x = 3.1 + -2.2

Combine like terms: 2.2 + -2.2 = 0.0
0.0 + 0.03x = 3.1 + -2.2
0.03x = 3.1 + -2.2

Combine like terms: 3.1 + -2.2 = 0.9
0.03x = 0.9

Divide each side by '0.03'.
x = 30

Simplifying
x = 30

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