5x+7x-45=3x

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Solution for 5x+7x-45=3x equation:


Simplifying
5x + 7x + -45 = 3x

Reorder the terms:
-45 + 5x + 7x = 3x

Combine like terms: 5x + 7x = 12x
-45 + 12x = 3x

Solving
-45 + 12x = 3x

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
-45 + 12x + -3x = 3x + -3x

Combine like terms: 12x + -3x = 9x
-45 + 9x = 3x + -3x

Combine like terms: 3x + -3x = 0
-45 + 9x = 0

Add '45' to each side of the equation.
-45 + 45 + 9x = 0 + 45

Combine like terms: -45 + 45 = 0
0 + 9x = 0 + 45
9x = 0 + 45

Combine like terms: 0 + 45 = 45
9x = 45

Divide each side by '9'.
x = 5

Simplifying
x = 5

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