-7r-5=4-5r

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Solution for -7r-5=4-5r equation:


Simplifying
-7r + -5 = 4 + -5r

Reorder the terms:
-5 + -7r = 4 + -5r

Solving
-5 + -7r = 4 + -5r

Solving for variable 'r'.

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

Add '5r' to each side of the equation.
-5 + -7r + 5r = 4 + -5r + 5r

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

Combine like terms: -5r + 5r = 0
-5 + -2r = 4 + 0
-5 + -2r = 4

Add '5' to each side of the equation.
-5 + 5 + -2r = 4 + 5

Combine like terms: -5 + 5 = 0
0 + -2r = 4 + 5
-2r = 4 + 5

Combine like terms: 4 + 5 = 9
-2r = 9

Divide each side by '-2'.
r = -4.5

Simplifying
r = -4.5

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