4b+7-8b=13

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Solution for 4b+7-8b=13 equation:


Simplifying
4b + 7 + -8b = 13

Reorder the terms:
7 + 4b + -8b = 13

Combine like terms: 4b + -8b = -4b
7 + -4b = 13

Solving
7 + -4b = 13

Solving for variable 'b'.

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

Add '-7' to each side of the equation.
7 + -7 + -4b = 13 + -7

Combine like terms: 7 + -7 = 0
0 + -4b = 13 + -7
-4b = 13 + -7

Combine like terms: 13 + -7 = 6
-4b = 6

Divide each side by '-4'.
b = -1.5

Simplifying
b = -1.5

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