-5(2r+2)=7(8r+8)

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Solution for -5(2r+2)=7(8r+8) equation:


Simplifying
-5(2r + 2) = 7(8r + 8)

Reorder the terms:
-5(2 + 2r) = 7(8r + 8)
(2 * -5 + 2r * -5) = 7(8r + 8)
(-10 + -10r) = 7(8r + 8)

Reorder the terms:
-10 + -10r = 7(8 + 8r)
-10 + -10r = (8 * 7 + 8r * 7)
-10 + -10r = (56 + 56r)

Solving
-10 + -10r = 56 + 56r

Solving for variable 'r'.

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

Add '-56r' to each side of the equation.
-10 + -10r + -56r = 56 + 56r + -56r

Combine like terms: -10r + -56r = -66r
-10 + -66r = 56 + 56r + -56r

Combine like terms: 56r + -56r = 0
-10 + -66r = 56 + 0
-10 + -66r = 56

Add '10' to each side of the equation.
-10 + 10 + -66r = 56 + 10

Combine like terms: -10 + 10 = 0
0 + -66r = 56 + 10
-66r = 56 + 10

Combine like terms: 56 + 10 = 66
-66r = 66

Divide each side by '-66'.
r = -1

Simplifying
r = -1

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