61+78+x=189

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Solution for 61+78+x=189 equation: 


Simplifying
61 + 78 + x = 189

Combine like terms: 61 + 78 = 139
139 + x = 189

Solving
139 + x = 189

Solving for variable 'x'.

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

Add '-139' to each side of the equation.
139 + -139 + x = 189 + -139

Combine like terms: 139 + -139 = 0
0 + x = 189 + -139
x = 189 + -139

Combine like terms: 189 + -139 = 50
x = 50

Simplifying
x = 50

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