7b-70=9b

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Solution for 7b-70=9b equation:


Simplifying
7b + -70 = 9b

Reorder the terms:
-70 + 7b = 9b

Solving
-70 + 7b = 9b

Solving for variable 'b'.

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

Add '-9b' to each side of the equation.
-70 + 7b + -9b = 9b + -9b

Combine like terms: 7b + -9b = -2b
-70 + -2b = 9b + -9b

Combine like terms: 9b + -9b = 0
-70 + -2b = 0

Add '70' to each side of the equation.
-70 + 70 + -2b = 0 + 70

Combine like terms: -70 + 70 = 0
0 + -2b = 0 + 70
-2b = 0 + 70

Combine like terms: 0 + 70 = 70
-2b = 70

Divide each side by '-2'.
b = -35

Simplifying
b = -35

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