r+3=-r-7

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


Simplifying
r + 3 = -1r + -7

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

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

Solving
3 + 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.
3 + r + r = -7 + -1r + r

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

Combine like terms: -1r + r = 0
3 + 2r = -7 + 0
3 + 2r = -7

Add '-3' to each side of the equation.
3 + -3 + 2r = -7 + -3

Combine like terms: 3 + -3 = 0
0 + 2r = -7 + -3
2r = -7 + -3

Combine like terms: -7 + -3 = -10
2r = -10

Divide each side by '2'.
r = -5

Simplifying
r = -5

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