(-56)=(-4)(1+8r)+4((-1)+2r)

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Solution for (-56)=(-4)(1+8r)+4((-1)+2r) equation:


Simplifying
(-56) = (-4)(1 + 8r) + 4((-1) + 2r)
-56 = (-4)(1 + 8r) + 4((-1) + 2r)
-56 = (1 * -4 + 8r * -4) + 4((-1) + 2r)
-56 = (-4 + -32r) + 4((-1) + 2r)
-56 = -4 + -32r + 4(-1 + 2r)
-56 = -4 + -32r + (-1 * 4 + 2r * 4)
-56 = -4 + -32r + (-4 + 8r)

Reorder the terms:
-56 = -4 + -4 + -32r + 8r

Combine like terms: -4 + -4 = -8
-56 = -8 + -32r + 8r

Combine like terms: -32r + 8r = -24r
-56 = -8 + -24r

Solving
-56 = -8 + -24r

Solving for variable 'r'.

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

Add '24r' to each side of the equation.
-56 + 24r = -8 + -24r + 24r

Combine like terms: -24r + 24r = 0
-56 + 24r = -8 + 0
-56 + 24r = -8

Add '56' to each side of the equation.
-56 + 56 + 24r = -8 + 56

Combine like terms: -56 + 56 = 0
0 + 24r = -8 + 56
24r = -8 + 56

Combine like terms: -8 + 56 = 48
24r = 48

Divide each side by '24'.
r = 2

Simplifying
r = 2

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