3*(B+7)+4B=70

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Solution for 3*(B+7)+4B=70 equation:


Simplifying
3(B + 7) + 4B = 70

Reorder the terms:
3(7 + B) + 4B = 70
(7 * 3 + B * 3) + 4B = 70
(21 + 3B) + 4B = 70

Combine like terms: 3B + 4B = 7B
21 + 7B = 70

Solving
21 + 7B = 70

Solving for variable 'B'.

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

Add '-21' to each side of the equation.
21 + -21 + 7B = 70 + -21

Combine like terms: 21 + -21 = 0
0 + 7B = 70 + -21
7B = 70 + -21

Combine like terms: 70 + -21 = 49
7B = 49

Divide each side by '7'.
B = 7

Simplifying
B = 7

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