70=13b+15

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Solution for 70=13b+15 equation:


Simplifying
70 = 13b + 15

Reorder the terms:
70 = 15 + 13b

Solving
70 = 15 + 13b

Solving for variable 'b'.

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

Add '-13b' to each side of the equation.
70 + -13b = 15 + 13b + -13b

Combine like terms: 13b + -13b = 0
70 + -13b = 15 + 0
70 + -13b = 15

Add '-70' to each side of the equation.
70 + -70 + -13b = 15 + -70

Combine like terms: 70 + -70 = 0
0 + -13b = 15 + -70
-13b = 15 + -70

Combine like terms: 15 + -70 = -55
-13b = -55

Divide each side by '-13'.
b = 4.230769231

Simplifying
b = 4.230769231

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