-7=r-3-6

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Solution for -7=r-3-6 equation:


Simplifying
-7 = r + -3 + -6

Reorder the terms:
-7 = -3 + -6 + r

Combine like terms: -3 + -6 = -9
-7 = -9 + r

Solving
-7 = -9 + 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.
-7 + -1r = -9 + r + -1r

Combine like terms: r + -1r = 0
-7 + -1r = -9 + 0
-7 + -1r = -9

Add '7' to each side of the equation.
-7 + 7 + -1r = -9 + 7

Combine like terms: -7 + 7 = 0
0 + -1r = -9 + 7
-1r = -9 + 7

Combine like terms: -9 + 7 = -2
-1r = -2

Divide each side by '-1'.
r = 2

Simplifying
r = 2

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