0.30x+0.05(15)=0.20(x+15)

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Solution for 0.30x+0.05(15)=0.20(x+15) equation: 


Simplifying
0.30x + 0.05(15) = 0.20(x + 15)

Multiply 0.05 * 15
0.30x + 0.75 = 0.20(x + 15)

Reorder the terms:
0.75 + 0.30x = 0.20(x + 15)

Reorder the terms:
0.75 + 0.30x = 0.20(15 + x)
0.75 + 0.30x = (15 * 0.20 + x * 0.20)
0.75 + 0.30x = (3 + 0.20x)

Solving
0.75 + 0.30x = 3 + 0.20x

Solving for variable 'x'.

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

Add '-0.20x' to each side of the equation.
0.75 + 0.30x + -0.20x = 3 + 0.20x + -0.20x

Combine like terms: 0.30x + -0.20x = 0.1x
0.75 + 0.1x = 3 + 0.20x + -0.20x

Combine like terms: 0.20x + -0.20x = 0.00
0.75 + 0.1x = 3 + 0.00
0.75 + 0.1x = 3

Add '-0.75' to each side of the equation.
0.75 + -0.75 + 0.1x = 3 + -0.75

Combine like terms: 0.75 + -0.75 = 0.00
0.00 + 0.1x = 3 + -0.75
0.1x = 3 + -0.75

Combine like terms: 3 + -0.75 = 2.25
0.1x = 2.25

Divide each side by '0.1'.
x = 22.5

Simplifying
x = 22.5

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