-8=1(-7)+b

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Solution for -8=1(-7)+b equation:


Simplifying
-8 = 1(-7) + b

Multiply 1 * -7
-8 = -7 + b

Solving
-8 = -7 + 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.
-8 + -1b = -7 + b + -1b

Combine like terms: b + -1b = 0
-8 + -1b = -7 + 0
-8 + -1b = -7

Add '8' to each side of the equation.
-8 + 8 + -1b = -7 + 8

Combine like terms: -8 + 8 = 0
0 + -1b = -7 + 8
-1b = -7 + 8

Combine like terms: -7 + 8 = 1
-1b = 1

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

Simplifying
b = -1

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