-168=-8(4r-7)

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Solution for -168=-8(4r-7) equation:


Simplifying
-168 = -8(4r + -7)

Reorder the terms:
-168 = -8(-7 + 4r)
-168 = (-7 * -8 + 4r * -8)
-168 = (56 + -32r)

Solving
-168 = 56 + -32r

Solving for variable 'r'.

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

Add '32r' to each side of the equation.
-168 + 32r = 56 + -32r + 32r

Combine like terms: -32r + 32r = 0
-168 + 32r = 56 + 0
-168 + 32r = 56

Add '168' to each side of the equation.
-168 + 168 + 32r = 56 + 168

Combine like terms: -168 + 168 = 0
0 + 32r = 56 + 168
32r = 56 + 168

Combine like terms: 56 + 168 = 224
32r = 224

Divide each side by '32'.
r = 7

Simplifying
r = 7

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