-4+5r=r+7

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


Simplifying
-4 + 5r = r + 7

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

Solving
-4 + 5r = 7 + 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 + 5r + -1r = 7 + r + -1r

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

Combine like terms: r + -1r = 0
-4 + 4r = 7 + 0
-4 + 4r = 7

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

Combine like terms: -4 + 4 = 0
0 + 4r = 7 + 4
4r = 7 + 4

Combine like terms: 7 + 4 = 11
4r = 11

Divide each side by '4'.
r = 2.75

Simplifying
r = 2.75

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