.18(12)+0.03x=0.09(18+x)

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Solution for .18(12)+0.03x=0.09(18+x) equation: 


Simplifying
0.18(12) + 0.03x = 0.09(18 + x)

Multiply 0.18 * 12
2.16 + 0.03x = 0.09(18 + x)
2.16 + 0.03x = (18 * 0.09 + x * 0.09)
2.16 + 0.03x = (1.62 + 0.09x)

Solving
2.16 + 0.03x = 1.62 + 0.09x

Solving for variable 'x'.

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

Add '-0.09x' to each side of the equation.
2.16 + 0.03x + -0.09x = 1.62 + 0.09x + -0.09x

Combine like terms: 0.03x + -0.09x = -0.06x
2.16 + -0.06x = 1.62 + 0.09x + -0.09x

Combine like terms: 0.09x + -0.09x = 0.00
2.16 + -0.06x = 1.62 + 0.00
2.16 + -0.06x = 1.62

Add '-2.16' to each side of the equation.
2.16 + -2.16 + -0.06x = 1.62 + -2.16

Combine like terms: 2.16 + -2.16 = 0.00
0.00 + -0.06x = 1.62 + -2.16
-0.06x = 1.62 + -2.16

Combine like terms: 1.62 + -2.16 = -0.54
-0.06x = -0.54

Divide each side by '-0.06'.
x = 9

Simplifying
x = 9

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