7(3+b)=-5(7)

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Solution for 7(3+b)=-5(7) equation:


Simplifying
7(3 + b) = -5(7)
(3 * 7 + b * 7) = -5(7)
(21 + 7b) = -5(7)

Multiply -5 * 7
21 + 7b = -35

Solving
21 + 7b = -35

Solving for variable 'b'.

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

Add '-21' to each side of the equation.
21 + -21 + 7b = -35 + -21

Combine like terms: 21 + -21 = 0
0 + 7b = -35 + -21
7b = -35 + -21

Combine like terms: -35 + -21 = -56
7b = -56

Divide each side by '7'.
b = -8

Simplifying
b = -8

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