0.3(30)+0.15=0.2(30+x)

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Solution for 0.3(30)+0.15=0.2(30+x) equation: 


Simplifying
0.3(30) + 0.15 = 0.2(30 + x)

Multiply 0.3 * 30
9 + 0.15 = 0.2(30 + x)

Combine like terms: 9 + 0.15 = 9.15
9.15 = 0.2(30 + x)
9.15 = (30 * 0.2 + x * 0.2)
9.15 = (6 + 0.2x)

Solving
9.15 = 6 + 0.2x

Solving for variable 'x'.

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

Add '-0.2x' to each side of the equation.
9.15 + -0.2x = 6 + 0.2x + -0.2x

Combine like terms: 0.2x + -0.2x = 0.0
9.15 + -0.2x = 6 + 0.0
9.15 + -0.2x = 6

Add '-9.15' to each side of the equation.
9.15 + -9.15 + -0.2x = 6 + -9.15

Combine like terms: 9.15 + -9.15 = 0.00
0.00 + -0.2x = 6 + -9.15
-0.2x = 6 + -9.15

Combine like terms: 6 + -9.15 = -3.15
-0.2x = -3.15

Divide each side by '-0.2'.
x = 15.75

Simplifying
x = 15.75

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