-56-7r=42

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Solution for -56-7r=42 equation: 


Simplifying
-56 + -7r = 42

Solving
-56 + -7r = 42

Solving for variable 'r'.

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

Add '56' to each side of the equation.
-56 + 56 + -7r = 42 + 56

Combine like terms: -56 + 56 = 0
0 + -7r = 42 + 56
-7r = 42 + 56

Combine like terms: 42 + 56 = 98
-7r = 98

Divide each side by '-7'.
r = -14

Simplifying
r = -14

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