-7r-3+2r-1-1=13+17

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Solution for -7r-3+2r-1-1=13+17 equation:


Simplifying
-7r + -3 + 2r + -1 + -1 = 13 + 17

Reorder the terms:
-3 + -1 + -1 + -7r + 2r = 13 + 17

Combine like terms: -3 + -1 = -4
-4 + -1 + -7r + 2r = 13 + 17

Combine like terms: -4 + -1 = -5
-5 + -7r + 2r = 13 + 17

Combine like terms: -7r + 2r = -5r
-5 + -5r = 13 + 17

Combine like terms: 13 + 17 = 30
-5 + -5r = 30

Solving
-5 + -5r = 30

Solving for variable 'r'.

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

Add '5' to each side of the equation.
-5 + 5 + -5r = 30 + 5

Combine like terms: -5 + 5 = 0
0 + -5r = 30 + 5
-5r = 30 + 5

Combine like terms: 30 + 5 = 35
-5r = 35

Divide each side by '-5'.
r = -7

Simplifying
r = -7

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