-7r+7r=-7+r

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Solution for -7r+7r=-7+r equation: 


Simplifying
-7r + 7r = -7 + r

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

Solving
0 = -7 + r

Solving for variable 'r'.

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

Add '-1r' to each side of the equation.
0 + -1r = -7 + r + -1r
Remove the zero:
-1r = -7 + r + -1r

Combine like terms: r + -1r = 0
-1r = -7 + 0
-1r = -7

Divide each side by '-1'.
r = 7

Simplifying
r = 7

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