.30x+.60(12)=.45(x+12)

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Solution for .30x+.60(12)=.45(x+12) equation:


Simplifying
0.30x + 0.60(12) = 0.45(x + 12)

Multiply 0.60 * 12
0.30x + 7.2 = 0.45(x + 12)

Reorder the terms:
7.2 + 0.30x = 0.45(x + 12)

Reorder the terms:
7.2 + 0.30x = 0.45(12 + x)
7.2 + 0.30x = (12 * 0.45 + x * 0.45)
7.2 + 0.30x = (5.4 + 0.45x)

Solving
7.2 + 0.30x = 5.4 + 0.45x

Solving for variable 'x'.

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

Add '-0.45x' to each side of the equation.
7.2 + 0.30x + -0.45x = 5.4 + 0.45x + -0.45x

Combine like terms: 0.30x + -0.45x = -0.15x
7.2 + -0.15x = 5.4 + 0.45x + -0.45x

Combine like terms: 0.45x + -0.45x = 0.00
7.2 + -0.15x = 5.4 + 0.00
7.2 + -0.15x = 5.4

Add '-7.2' to each side of the equation.
7.2 + -7.2 + -0.15x = 5.4 + -7.2

Combine like terms: 7.2 + -7.2 = 0.0
0.0 + -0.15x = 5.4 + -7.2
-0.15x = 5.4 + -7.2

Combine like terms: 5.4 + -7.2 = -1.8
-0.15x = -1.8

Divide each side by '-0.15'.
x = 12

Simplifying
x = 12

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