-10=-7+r

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Solution for -10=-7+r equation:


Simplifying
-10 = -7 + r

Solving
-10 = -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.
-10 + -1r = -7 + r + -1r

Combine like terms: r + -1r = 0
-10 + -1r = -7 + 0
-10 + -1r = -7

Add '10' to each side of the equation.
-10 + 10 + -1r = -7 + 10

Combine like terms: -10 + 10 = 0
0 + -1r = -7 + 10
-1r = -7 + 10

Combine like terms: -7 + 10 = 3
-1r = 3

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

Simplifying
r = -3

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