0.3(30)+.15x=.2(30+x)

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Solution for 0.3(30)+.15x=.2(30+x) equation:


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

Multiply 0.3 * 30
9 + 0.15x = 0.2(30 + x)
9 + 0.15x = (30 * 0.2 + x * 0.2)
9 + 0.15x = (6 + 0.2x)

Solving
9 + 0.15x = 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 + 0.15x + -0.2x = 6 + 0.2x + -0.2x

Combine like terms: 0.15x + -0.2x = -0.05x
9 + -0.05x = 6 + 0.2x + -0.2x

Combine like terms: 0.2x + -0.2x = 0.0
9 + -0.05x = 6 + 0.0
9 + -0.05x = 6

Add '-9' to each side of the equation.
9 + -9 + -0.05x = 6 + -9

Combine like terms: 9 + -9 = 0
0 + -0.05x = 6 + -9
-0.05x = 6 + -9

Combine like terms: 6 + -9 = -3
-0.05x = -3

Divide each side by '-0.05'.
x = 60

Simplifying
x = 60

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