0.03(x+10)+0.04(x-5)=2.2

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Solution for 0.03(x+10)+0.04(x-5)=2.2 equation: 


Simplifying
0.03(x + 10) + 0.04(x + -5) = 2.2

Reorder the terms:
0.03(10 + x) + 0.04(x + -5) = 2.2
(10 * 0.03 + x * 0.03) + 0.04(x + -5) = 2.2
(0.3 + 0.03x) + 0.04(x + -5) = 2.2

Reorder the terms:
0.3 + 0.03x + 0.04(-5 + x) = 2.2
0.3 + 0.03x + (-5 * 0.04 + x * 0.04) = 2.2
0.3 + 0.03x + (-0.2 + 0.04x) = 2.2

Reorder the terms:
0.3 + -0.2 + 0.03x + 0.04x = 2.2

Combine like terms: 0.3 + -0.2 = 0.1
0.1 + 0.03x + 0.04x = 2.2

Combine like terms: 0.03x + 0.04x = 0.07x
0.1 + 0.07x = 2.2

Solving
0.1 + 0.07x = 2.2

Solving for variable 'x'.

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

Add '-0.1' to each side of the equation.
0.1 + -0.1 + 0.07x = 2.2 + -0.1

Combine like terms: 0.1 + -0.1 = 0.0
0.0 + 0.07x = 2.2 + -0.1
0.07x = 2.2 + -0.1

Combine like terms: 2.2 + -0.1 = 2.1
0.07x = 2.1

Divide each side by '0.07'.
x = 30

Simplifying
x = 30

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