3-2+r=-7-r

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Solution for 3-2+r=-7-r equation:


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

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

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

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

Combine like terms: -1r + r = 0
1 + 2r = -7 + 0
1 + 2r = -7

Add '-1' to each side of the equation.
1 + -1 + 2r = -7 + -1

Combine like terms: 1 + -1 = 0
0 + 2r = -7 + -1
2r = -7 + -1

Combine like terms: -7 + -1 = -8
2r = -8

Divide each side by '2'.
r = -4

Simplifying
r = -4

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