3x+5-7x=45

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


Simplifying
3x + 5 + -7x = 45

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

Combine like terms: 3x + -7x = -4x
5 + -4x = 45

Solving
5 + -4x = 45

Solving for variable 'x'.

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

Add '-5' to each side of the equation.
5 + -5 + -4x = 45 + -5

Combine like terms: 5 + -5 = 0
0 + -4x = 45 + -5
-4x = 45 + -5

Combine like terms: 45 + -5 = 40
-4x = 40

Divide each side by '-4'.
x = -10

Simplifying
x = -10

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