4-8(7r+4)=-308

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Solution for 4-8(7r+4)=-308 equation:


Simplifying
4 + -8(7r + 4) = -308

Reorder the terms:
4 + -8(4 + 7r) = -308
4 + (4 * -8 + 7r * -8) = -308
4 + (-32 + -56r) = -308

Combine like terms: 4 + -32 = -28
-28 + -56r = -308

Solving
-28 + -56r = -308

Solving for variable 'r'.

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

Add '28' to each side of the equation.
-28 + 28 + -56r = -308 + 28

Combine like terms: -28 + 28 = 0
0 + -56r = -308 + 28
-56r = -308 + 28

Combine like terms: -308 + 28 = -280
-56r = -280

Divide each side by '-56'.
r = 5

Simplifying
r = 5

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