-7=r-1-2r

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Solution for -7=r-1-2r equation:


Simplifying
-7 = r + -1 + -2r

Reorder the terms:
-7 = -1 + r + -2r

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

Solving
-7 = -1 + -1r

Solving for variable 'r'.

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

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

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

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

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

Combine like terms: -1 + 7 = 6
r = 6

Simplifying
r = 6

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