-4+r=-7

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Solution for -4+r=-7 equation: 


Simplifying
-4 + r = -7

Solving
-4 + r = -7

Solving for variable 'r'.

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

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

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

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

Simplifying
r = -3

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