3x-90=x+48

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Solution for 3x-90=x+48 equation:


Simplifying
3x + -90 = x + 48

Reorder the terms:
-90 + 3x = x + 48

Reorder the terms:
-90 + 3x = 48 + x

Solving
-90 + 3x = 48 + x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
-90 + 3x + -1x = 48 + x + -1x

Combine like terms: 3x + -1x = 2x
-90 + 2x = 48 + x + -1x

Combine like terms: x + -1x = 0
-90 + 2x = 48 + 0
-90 + 2x = 48

Add '90' to each side of the equation.
-90 + 90 + 2x = 48 + 90

Combine like terms: -90 + 90 = 0
0 + 2x = 48 + 90
2x = 48 + 90

Combine like terms: 48 + 90 = 138
2x = 138

Divide each side by '2'.
x = 69

Simplifying
x = 69

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