2b-3(b-4)=10-7

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Solution for 2b-3(b-4)=10-7 equation:


Simplifying
2b + -3(b + -4) = 10 + -7

Reorder the terms:
2b + -3(-4 + b) = 10 + -7
2b + (-4 * -3 + b * -3) = 10 + -7
2b + (12 + -3b) = 10 + -7

Reorder the terms:
12 + 2b + -3b = 10 + -7

Combine like terms: 2b + -3b = -1b
12 + -1b = 10 + -7

Combine like terms: 10 + -7 = 3
12 + -1b = 3

Solving
12 + -1b = 3

Solving for variable 'b'.

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

Add '-12' to each side of the equation.
12 + -12 + -1b = 3 + -12

Combine like terms: 12 + -12 = 0
0 + -1b = 3 + -12
-1b = 3 + -12

Combine like terms: 3 + -12 = -9
-1b = -9

Divide each side by '-1'.
b = 9

Simplifying
b = 9

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