7b=4(b+30)

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Solution for 7b=4(b+30) equation: 


Simplifying
7b = 4(b + 30)

Reorder the terms:
7b = 4(30 + b)
7b = (30 * 4 + b * 4)
7b = (120 + 4b)

Solving
7b = 120 + 4b

Solving for variable 'b'.

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

Add '-4b' to each side of the equation.
7b + -4b = 120 + 4b + -4b

Combine like terms: 7b + -4b = 3b
3b = 120 + 4b + -4b

Combine like terms: 4b + -4b = 0
3b = 120 + 0
3b = 120

Divide each side by '3'.
b = 40

Simplifying
b = 40

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