3x-45=5x-105

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Solution for 3x-45=5x-105 equation:


Simplifying
3x + -45 = 5x + -105

Reorder the terms:
-45 + 3x = 5x + -105

Reorder the terms:
-45 + 3x = -105 + 5x

Solving
-45 + 3x = -105 + 5x

Solving for variable 'x'.

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

Add '-5x' to each side of the equation.
-45 + 3x + -5x = -105 + 5x + -5x

Combine like terms: 3x + -5x = -2x
-45 + -2x = -105 + 5x + -5x

Combine like terms: 5x + -5x = 0
-45 + -2x = -105 + 0
-45 + -2x = -105

Add '45' to each side of the equation.
-45 + 45 + -2x = -105 + 45

Combine like terms: -45 + 45 = 0
0 + -2x = -105 + 45
-2x = -105 + 45

Combine like terms: -105 + 45 = -60
-2x = -60

Divide each side by '-2'.
x = 30

Simplifying
x = 30

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