3(13-6)=4(2-0.5b)

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Solution for 3(13-6)=4(2-0.5b) equation: 


Simplifying
3(13 + -6) = 4(2 + -0.5b)

Combine like terms: 13 + -6 = 7
3(7) = 4(2 + -0.5b)

Multiply 3 * 7
21 = 4(2 + -0.5b)
21 = (2 * 4 + -0.5b * 4)
21 = (8 + -2b)

Solving
21 = 8 + -2b

Solving for variable 'b'.

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

Add '2b' to each side of the equation.
21 + 2b = 8 + -2b + 2b

Combine like terms: -2b + 2b = 0
21 + 2b = 8 + 0
21 + 2b = 8

Add '-21' to each side of the equation.
21 + -21 + 2b = 8 + -21

Combine like terms: 21 + -21 = 0
0 + 2b = 8 + -21
2b = 8 + -21

Combine like terms: 8 + -21 = -13
2b = -13

Divide each side by '2'.
b = -6.5

Simplifying
b = -6.5

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