-23-7r=2(4r-4)

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Solution for -23-7r=2(4r-4) equation:


Simplifying
-23 + -7r = 2(4r + -4)

Reorder the terms:
-23 + -7r = 2(-4 + 4r)
-23 + -7r = (-4 * 2 + 4r * 2)
-23 + -7r = (-8 + 8r)

Solving
-23 + -7r = -8 + 8r

Solving for variable 'r'.

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

Add '-8r' to each side of the equation.
-23 + -7r + -8r = -8 + 8r + -8r

Combine like terms: -7r + -8r = -15r
-23 + -15r = -8 + 8r + -8r

Combine like terms: 8r + -8r = 0
-23 + -15r = -8 + 0
-23 + -15r = -8

Add '23' to each side of the equation.
-23 + 23 + -15r = -8 + 23

Combine like terms: -23 + 23 = 0
0 + -15r = -8 + 23
-15r = -8 + 23

Combine like terms: -8 + 23 = 15
-15r = 15

Divide each side by '-15'.
r = -1

Simplifying
r = -1

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