-7-r=-4

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Solution for -7-r=-4 equation:


Simplifying
-7 + -1r = -4

Solving
-7 + -1r = -4

Solving for variable 'r'.

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

Add '7' to each side of the equation.
-7 + 7 + -1r = -4 + 7

Combine like terms: -7 + 7 = 0
0 + -1r = -4 + 7
-1r = -4 + 7

Combine like terms: -4 + 7 = 3
-1r = 3

Divide each side by '-1'.
r = -3

Simplifying
r = -3

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