-254=-4(8-7r)+2

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Solution for -254=-4(8-7r)+2 equation:


Simplifying
-254 = -4(8 + -7r) + 2
-254 = (8 * -4 + -7r * -4) + 2
-254 = (-32 + 28r) + 2

Reorder the terms:
-254 = -32 + 2 + 28r

Combine like terms: -32 + 2 = -30
-254 = -30 + 28r

Solving
-254 = -30 + 28r

Solving for variable 'r'.

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

Add '-28r' to each side of the equation.
-254 + -28r = -30 + 28r + -28r

Combine like terms: 28r + -28r = 0
-254 + -28r = -30 + 0
-254 + -28r = -30

Add '254' to each side of the equation.
-254 + 254 + -28r = -30 + 254

Combine like terms: -254 + 254 = 0
0 + -28r = -30 + 254
-28r = -30 + 254

Combine like terms: -30 + 254 = 224
-28r = 224

Divide each side by '-28'.
r = -8

Simplifying
r = -8

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