-7-5(5+7b)=248

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Solution for -7-5(5+7b)=248 equation:


Simplifying
-7 + -5(5 + 7b) = 248
-7 + (5 * -5 + 7b * -5) = 248
-7 + (-25 + -35b) = 248

Combine like terms: -7 + -25 = -32
-32 + -35b = 248

Solving
-32 + -35b = 248

Solving for variable 'b'.

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

Add '32' to each side of the equation.
-32 + 32 + -35b = 248 + 32

Combine like terms: -32 + 32 = 0
0 + -35b = 248 + 32
-35b = 248 + 32

Combine like terms: 248 + 32 = 280
-35b = 280

Divide each side by '-35'.
b = -8

Simplifying
b = -8

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