-3(b+7)=6(b+4)

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Solution for -3(b+7)=6(b+4) equation:


Simplifying
-3(b + 7) = 6(b + 4)

Reorder the terms:
-3(7 + b) = 6(b + 4)
(7 * -3 + b * -3) = 6(b + 4)
(-21 + -3b) = 6(b + 4)

Reorder the terms:
-21 + -3b = 6(4 + b)
-21 + -3b = (4 * 6 + b * 6)
-21 + -3b = (24 + 6b)

Solving
-21 + -3b = 24 + 6b

Solving for variable 'b'.

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

Add '-6b' to each side of the equation.
-21 + -3b + -6b = 24 + 6b + -6b

Combine like terms: -3b + -6b = -9b
-21 + -9b = 24 + 6b + -6b

Combine like terms: 6b + -6b = 0
-21 + -9b = 24 + 0
-21 + -9b = 24

Add '21' to each side of the equation.
-21 + 21 + -9b = 24 + 21

Combine like terms: -21 + 21 = 0
0 + -9b = 24 + 21
-9b = 24 + 21

Combine like terms: 24 + 21 = 45
-9b = 45

Divide each side by '-9'.
b = -5

Simplifying
b = -5

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