-48=3(3b-5)+3(7b-1)

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Solution for -48=3(3b-5)+3(7b-1) equation:


Simplifying
-48 = 3(3b + -5) + 3(7b + -1)

Reorder the terms:
-48 = 3(-5 + 3b) + 3(7b + -1)
-48 = (-5 * 3 + 3b * 3) + 3(7b + -1)
-48 = (-15 + 9b) + 3(7b + -1)

Reorder the terms:
-48 = -15 + 9b + 3(-1 + 7b)
-48 = -15 + 9b + (-1 * 3 + 7b * 3)
-48 = -15 + 9b + (-3 + 21b)

Reorder the terms:
-48 = -15 + -3 + 9b + 21b

Combine like terms: -15 + -3 = -18
-48 = -18 + 9b + 21b

Combine like terms: 9b + 21b = 30b
-48 = -18 + 30b

Solving
-48 = -18 + 30b

Solving for variable 'b'.

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

Add '-30b' to each side of the equation.
-48 + -30b = -18 + 30b + -30b

Combine like terms: 30b + -30b = 0
-48 + -30b = -18 + 0
-48 + -30b = -18

Add '48' to each side of the equation.
-48 + 48 + -30b = -18 + 48

Combine like terms: -48 + 48 = 0
0 + -30b = -18 + 48
-30b = -18 + 48

Combine like terms: -18 + 48 = 30
-30b = 30

Divide each side by '-30'.
b = -1

Simplifying
b = -1

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