50+x+40=3x

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Solution for 50+x+40=3x equation:


Simplifying
50 + x + 40 = 3x

Reorder the terms:
50 + 40 + x = 3x

Combine like terms: 50 + 40 = 90
90 + x = 3x

Solving
90 + x = 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.
90 + x + -3x = 3x + -3x

Combine like terms: x + -3x = -2x
90 + -2x = 3x + -3x

Combine like terms: 3x + -3x = 0
90 + -2x = 0

Add '-90' to each side of the equation.
90 + -90 + -2x = 0 + -90

Combine like terms: 90 + -90 = 0
0 + -2x = 0 + -90
-2x = 0 + -90

Combine like terms: 0 + -90 = -90
-2x = -90

Divide each side by '-2'.
x = 45

Simplifying
x = 45

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