0.30x+0.30(30)=0.15(84)

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Solution for 0.30x+0.30(30)=0.15(84) equation:


Simplifying
0.30x + 0.30(30) = 0.15(84)

Multiply 0.30 * 30
0.30x + 9 = 0.15(84)

Reorder the terms:
9 + 0.30x = 0.15(84)

Multiply 0.15 * 84
9 + 0.30x = 12.6

Solving
9 + 0.30x = 12.6

Solving for variable 'x'.

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

Add '-9' to each side of the equation.
9 + -9 + 0.30x = 12.6 + -9

Combine like terms: 9 + -9 = 0
0 + 0.30x = 12.6 + -9
0.30x = 12.6 + -9

Combine like terms: 12.6 + -9 = 3.6
0.30x = 3.6

Divide each side by '0.30'.
x = 12

Simplifying
x = 12

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