4(B+9)-7(B-10)=136

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Solution for 4(B+9)-7(B-10)=136 equation: 


Simplifying
4(B + 9) + -7(B + -10) = 136

Reorder the terms:
4(9 + B) + -7(B + -10) = 136
(9 * 4 + B * 4) + -7(B + -10) = 136
(36 + 4B) + -7(B + -10) = 136

Reorder the terms:
36 + 4B + -7(-10 + B) = 136
36 + 4B + (-10 * -7 + B * -7) = 136
36 + 4B + (70 + -7B) = 136

Reorder the terms:
36 + 70 + 4B + -7B = 136

Combine like terms: 36 + 70 = 106
106 + 4B + -7B = 136

Combine like terms: 4B + -7B = -3B
106 + -3B = 136

Solving
106 + -3B = 136

Solving for variable 'B'.

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

Add '-106' to each side of the equation.
106 + -106 + -3B = 136 + -106

Combine like terms: 106 + -106 = 0
0 + -3B = 136 + -106
-3B = 136 + -106

Combine like terms: 136 + -106 = 30
-3B = 30

Divide each side by '-3'.
B = -10

Simplifying
B = -10

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