7=-11+3(b+15)

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Solution for 7=-11+3(b+15) equation:


Simplifying
7 = -11 + 3(b + 15)

Reorder the terms:
7 = -11 + 3(15 + b)
7 = -11 + (15 * 3 + b * 3)
7 = -11 + (45 + 3b)

Combine like terms: -11 + 45 = 34
7 = 34 + 3b

Solving
7 = 34 + 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.
7 + -3b = 34 + 3b + -3b

Combine like terms: 3b + -3b = 0
7 + -3b = 34 + 0
7 + -3b = 34

Add '-7' to each side of the equation.
7 + -7 + -3b = 34 + -7

Combine like terms: 7 + -7 = 0
0 + -3b = 34 + -7
-3b = 34 + -7

Combine like terms: 34 + -7 = 27
-3b = 27

Divide each side by '-3'.
b = -9

Simplifying
b = -9

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