.12(18)+.02x=.04(18+x)

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Solution for .12(18)+.02x=.04(18+x) equation: 


Simplifying
0.12(18) + 0.02x = 0.04(18 + x)

Multiply 0.12 * 18
2.16 + 0.02x = 0.04(18 + x)
2.16 + 0.02x = (18 * 0.04 + x * 0.04)
2.16 + 0.02x = (0.72 + 0.04x)

Solving
2.16 + 0.02x = 0.72 + 0.04x

Solving for variable 'x'.

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

Add '-0.04x' to each side of the equation.
2.16 + 0.02x + -0.04x = 0.72 + 0.04x + -0.04x

Combine like terms: 0.02x + -0.04x = -0.02x
2.16 + -0.02x = 0.72 + 0.04x + -0.04x

Combine like terms: 0.04x + -0.04x = 0.00
2.16 + -0.02x = 0.72 + 0.00
2.16 + -0.02x = 0.72

Add '-2.16' to each side of the equation.
2.16 + -2.16 + -0.02x = 0.72 + -2.16

Combine like terms: 2.16 + -2.16 = 0.00
0.00 + -0.02x = 0.72 + -2.16
-0.02x = 0.72 + -2.16

Combine like terms: 0.72 + -2.16 = -1.44
-0.02x = -1.44

Divide each side by '-0.02'.
x = 72

Simplifying
x = 72

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