-7=3-(5-b)

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


Simplifying
-7 = 3 + -1(5 + -1b)
-7 = 3 + (5 * -1 + -1b * -1)
-7 = 3 + (-5 + 1b)

Combine like terms: 3 + -5 = -2
-7 = -2 + 1b

Solving
-7 = -2 + 1b

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.
-7 + -1b = -2 + 1b + -1b

Combine like terms: 1b + -1b = 0
-7 + -1b = -2 + 0
-7 + -1b = -2

Add '7' to each side of the equation.
-7 + 7 + -1b = -2 + 7

Combine like terms: -7 + 7 = 0
0 + -1b = -2 + 7
-1b = -2 + 7

Combine like terms: -2 + 7 = 5
-1b = 5

Divide each side by '-1'.
b = -5

Simplifying
b = -5

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