3x+45=1x+78

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Solution for 3x+45=1x+78 equation:


Simplifying
3x + 45 = 1x + 78

Reorder the terms:
45 + 3x = 1x + 78

Reorder the terms:
45 + 3x = 78 + 1x

Solving
45 + 3x = 78 + 1x

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.
45 + 3x + -1x = 78 + 1x + -1x

Combine like terms: 3x + -1x = 2x
45 + 2x = 78 + 1x + -1x

Combine like terms: 1x + -1x = 0
45 + 2x = 78 + 0
45 + 2x = 78

Add '-45' to each side of the equation.
45 + -45 + 2x = 78 + -45

Combine like terms: 45 + -45 = 0
0 + 2x = 78 + -45
2x = 78 + -45

Combine like terms: 78 + -45 = 33
2x = 33

Divide each side by '2'.
x = 16.5

Simplifying
x = 16.5

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