45=20x+15

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Solution for 45=20x+15 equation:


Simplifying
45 = 20x + 15

Reorder the terms:
45 = 15 + 20x

Solving
45 = 15 + 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 + -20x = 15 + 20x + -20x

Combine like terms: 20x + -20x = 0
45 + -20x = 15 + 0
45 + -20x = 15

Add '-45' to each side of the equation.
45 + -45 + -20x = 15 + -45

Combine like terms: 45 + -45 = 0
0 + -20x = 15 + -45
-20x = 15 + -45

Combine like terms: 15 + -45 = -30
-20x = -30

Divide each side by '-20'.
x = 1.5

Simplifying
x = 1.5

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