155=5(3+4b)

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Solution for 155=5(3+4b) equation:


Simplifying
155 = 5(3 + 4b)
155 = (3 * 5 + 4b * 5)
155 = (15 + 20b)

Solving
155 = 15 + 20b

Solving for variable 'b'.

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

Add '-20b' to each side of the equation.
155 + -20b = 15 + 20b + -20b

Combine like terms: 20b + -20b = 0
155 + -20b = 15 + 0
155 + -20b = 15

Add '-155' to each side of the equation.
155 + -155 + -20b = 15 + -155

Combine like terms: 155 + -155 = 0
0 + -20b = 15 + -155
-20b = 15 + -155

Combine like terms: 15 + -155 = -140
-20b = -140

Divide each side by '-20'.
b = 7

Simplifying
b = 7

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