7(-5-2b)=-20+b

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Solution for 7(-5-2b)=-20+b equation:


Simplifying
7(-5 + -2b) = -20 + b
(-5 * 7 + -2b * 7) = -20 + b
(-35 + -14b) = -20 + b

Solving
-35 + -14b = -20 + b

Solving for variable 'b'.

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

Add '-1b' to each side of the equation.
-35 + -14b + -1b = -20 + b + -1b

Combine like terms: -14b + -1b = -15b
-35 + -15b = -20 + b + -1b

Combine like terms: b + -1b = 0
-35 + -15b = -20 + 0
-35 + -15b = -20

Add '35' to each side of the equation.
-35 + 35 + -15b = -20 + 35

Combine like terms: -35 + 35 = 0
0 + -15b = -20 + 35
-15b = -20 + 35

Combine like terms: -20 + 35 = 15
-15b = 15

Divide each side by '-15'.
b = -1

Simplifying
b = -1

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