7b+2=8b-1

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Solution for 7b+2=8b-1 equation:


Simplifying
7b + 2 = 8b + -1

Reorder the terms:
2 + 7b = 8b + -1

Reorder the terms:
2 + 7b = -1 + 8b

Solving
2 + 7b = -1 + 8b

Solving for variable 'b'.

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

Add '-8b' to each side of the equation.
2 + 7b + -8b = -1 + 8b + -8b

Combine like terms: 7b + -8b = -1b
2 + -1b = -1 + 8b + -8b

Combine like terms: 8b + -8b = 0
2 + -1b = -1 + 0
2 + -1b = -1

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

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

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

Divide each side by '-1'.
b = 3

Simplifying
b = 3

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