12x+45=20x

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Solution for 12x+45=20x equation:


Simplifying
12x + 45 = 20x

Reorder the terms:
45 + 12x = 20x

Solving
45 + 12x = 20x

Solving for variable 'x'.

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

Add '-20x' to each side of the equation.
45 + 12x + -20x = 20x + -20x

Combine like terms: 12x + -20x = -8x
45 + -8x = 20x + -20x

Combine like terms: 20x + -20x = 0
45 + -8x = 0

Add '-45' to each side of the equation.
45 + -45 + -8x = 0 + -45

Combine like terms: 45 + -45 = 0
0 + -8x = 0 + -45
-8x = 0 + -45

Combine like terms: 0 + -45 = -45
-8x = -45

Divide each side by '-8'.
x = 5.625

Simplifying
x = 5.625

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