7b+8=3b+40

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Solution for 7b+8=3b+40 equation:


Simplifying
7b + 8 = 3b + 40

Reorder the terms:
8 + 7b = 3b + 40

Reorder the terms:
8 + 7b = 40 + 3b

Solving
8 + 7b = 40 + 3b

Solving for variable 'b'.

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

Add '-3b' to each side of the equation.
8 + 7b + -3b = 40 + 3b + -3b

Combine like terms: 7b + -3b = 4b
8 + 4b = 40 + 3b + -3b

Combine like terms: 3b + -3b = 0
8 + 4b = 40 + 0
8 + 4b = 40

Add '-8' to each side of the equation.
8 + -8 + 4b = 40 + -8

Combine like terms: 8 + -8 = 0
0 + 4b = 40 + -8
4b = 40 + -8

Combine like terms: 40 + -8 = 32
4b = 32

Divide each side by '4'.
b = 8

Simplifying
b = 8

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