78+r=-4

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Solution for 78+r=-4 equation: 


Simplifying
78 + r = -4

Solving
78 + r = -4

Solving for variable 'r'.

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

Add '-78' to each side of the equation.
78 + -78 + r = -4 + -78

Combine like terms: 78 + -78 = 0
0 + r = -4 + -78
r = -4 + -78

Combine like terms: -4 + -78 = -82
r = -82

Simplifying
r = -82

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