5x-7x+45=3x+40

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Solution for 5x-7x+45=3x+40 equation:


Simplifying
5x + -7x + 45 = 3x + 40

Reorder the terms:
45 + 5x + -7x = 3x + 40

Combine like terms: 5x + -7x = -2x
45 + -2x = 3x + 40

Reorder the terms:
45 + -2x = 40 + 3x

Solving
45 + -2x = 40 + 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 + -2x + -3x = 40 + 3x + -3x

Combine like terms: -2x + -3x = -5x
45 + -5x = 40 + 3x + -3x

Combine like terms: 3x + -3x = 0
45 + -5x = 40 + 0
45 + -5x = 40

Add '-45' to each side of the equation.
45 + -45 + -5x = 40 + -45

Combine like terms: 45 + -45 = 0
0 + -5x = 40 + -45
-5x = 40 + -45

Combine like terms: 40 + -45 = -5
-5x = -5

Divide each side by '-5'.
x = 1

Simplifying
x = 1

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