-1=b(3)-7

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Solution for -1=b(3)-7 equation:


Simplifying
-1 = b(3) + -7

Reorder the terms for easier multiplication:
-1 = 3b + -7

Reorder the terms:
-1 = -7 + 3b

Solving
-1 = -7 + 3b

Solving for variable 'b'.

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

Add '-3b' to each side of the equation.
-1 + -3b = -7 + 3b + -3b

Combine like terms: 3b + -3b = 0
-1 + -3b = -7 + 0
-1 + -3b = -7

Add '1' to each side of the equation.
-1 + 1 + -3b = -7 + 1

Combine like terms: -1 + 1 = 0
0 + -3b = -7 + 1
-3b = -7 + 1

Combine like terms: -7 + 1 = -6
-3b = -6

Divide each side by '-3'.
b = 2

Simplifying
b = 2

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