-3-8(1+7b)=213

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Solution for -3-8(1+7b)=213 equation:


Simplifying
-3 + -8(1 + 7b) = 213
-3 + (1 * -8 + 7b * -8) = 213
-3 + (-8 + -56b) = 213

Combine like terms: -3 + -8 = -11
-11 + -56b = 213

Solving
-11 + -56b = 213

Solving for variable 'b'.

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

Add '11' to each side of the equation.
-11 + 11 + -56b = 213 + 11

Combine like terms: -11 + 11 = 0
0 + -56b = 213 + 11
-56b = 213 + 11

Combine like terms: 213 + 11 = 224
-56b = 224

Divide each side by '-56'.
b = -4

Simplifying
b = -4

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