(22B-9)-7(3B+1)=-4

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Solution for (22B-9)-7(3B+1)=-4 equation:


Simplifying
(22B + -9) + -7(3B + 1) = -4

Reorder the terms:
(-9 + 22B) + -7(3B + 1) = -4

Remove parenthesis around (-9 + 22B)
-9 + 22B + -7(3B + 1) = -4

Reorder the terms:
-9 + 22B + -7(1 + 3B) = -4
-9 + 22B + (1 * -7 + 3B * -7) = -4
-9 + 22B + (-7 + -21B) = -4

Reorder the terms:
-9 + -7 + 22B + -21B = -4

Combine like terms: -9 + -7 = -16
-16 + 22B + -21B = -4

Combine like terms: 22B + -21B = 1B
-16 + 1B = -4

Solving
-16 + 1B = -4

Solving for variable 'B'.

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

Add '16' to each side of the equation.
-16 + 16 + 1B = -4 + 16

Combine like terms: -16 + 16 = 0
0 + 1B = -4 + 16
1B = -4 + 16

Combine like terms: -4 + 16 = 12
1B = 12

Divide each side by '1'.
B = 12

Simplifying
B = 12

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