(-4*2)+(-4*3b)+5b=13

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Solution for (-4*2)+(-4*3b)+5b=13 equation: 


Simplifying
(-4 * 2) + (-4 * 3b) + 5b = 13

Multiply -4 * 2
(-8) + (-4 * 3b) + 5b = 13
-8 + (-4 * 3b) + 5b = 13

Multiply -4 * 3
-8 + (-12b) + 5b = 13

Combine like terms: (-12b) + 5b = -7b
-8 + -7b = 13

Solving
-8 + -7b = 13

Solving for variable 'b'.

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

Add '8' to each side of the equation.
-8 + 8 + -7b = 13 + 8

Combine like terms: -8 + 8 = 0
0 + -7b = 13 + 8
-7b = 13 + 8

Combine like terms: 13 + 8 = 21
-7b = 21

Divide each side by '-7'.
b = -3

Simplifying
b = -3

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