-7r-4=4+r

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Solution for -7r-4=4+r equation:


Simplifying
-7r + -4 = 4 + r

Reorder the terms:
-4 + -7r = 4 + r

Solving
-4 + -7r = 4 + 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.
-4 + -7r + -1r = 4 + r + -1r

Combine like terms: -7r + -1r = -8r
-4 + -8r = 4 + r + -1r

Combine like terms: r + -1r = 0
-4 + -8r = 4 + 0
-4 + -8r = 4

Add '4' to each side of the equation.
-4 + 4 + -8r = 4 + 4

Combine like terms: -4 + 4 = 0
0 + -8r = 4 + 4
-8r = 4 + 4

Combine like terms: 4 + 4 = 8
-8r = 8

Divide each side by '-8'.
r = -1

Simplifying
r = -1

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