5=-7(3)+b

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


Simplifying
5 = -7(3) + b

Multiply -7 * 3
5 = -21 + b

Solving
5 = -21 + 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.
5 + -1b = -21 + b + -1b

Combine like terms: b + -1b = 0
5 + -1b = -21 + 0
5 + -1b = -21

Add '-5' to each side of the equation.
5 + -5 + -1b = -21 + -5

Combine like terms: 5 + -5 = 0
0 + -1b = -21 + -5
-1b = -21 + -5

Combine like terms: -21 + -5 = -26
-1b = -26

Divide each side by '-1'.
b = 26

Simplifying
b = 26

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