4r-4=5+7r

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


Simplifying
4r + -4 = 5 + 7r

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

Solving
-4 + 4r = 5 + 7r

Solving for variable 'r'.

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

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

Combine like terms: 4r + -7r = -3r
-4 + -3r = 5 + 7r + -7r

Combine like terms: 7r + -7r = 0
-4 + -3r = 5 + 0
-4 + -3r = 5

Add '4' to each side of the equation.
-4 + 4 + -3r = 5 + 4

Combine like terms: -4 + 4 = 0
0 + -3r = 5 + 4
-3r = 5 + 4

Combine like terms: 5 + 4 = 9
-3r = 9

Divide each side by '-3'.
r = -3

Simplifying
r = -3

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