75+x=3x-45

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Solution for 75+x=3x-45 equation:


Simplifying
75 + x = 3x + -45

Reorder the terms:
75 + x = -45 + 3x

Solving
75 + x = -45 + 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.
75 + x + -3x = -45 + 3x + -3x

Combine like terms: x + -3x = -2x
75 + -2x = -45 + 3x + -3x

Combine like terms: 3x + -3x = 0
75 + -2x = -45 + 0
75 + -2x = -45

Add '-75' to each side of the equation.
75 + -75 + -2x = -45 + -75

Combine like terms: 75 + -75 = 0
0 + -2x = -45 + -75
-2x = -45 + -75

Combine like terms: -45 + -75 = -120
-2x = -120

Divide each side by '-2'.
x = 60

Simplifying
x = 60

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