-2(3b+1)+(7b-2)=0

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Solution for -2(3b+1)+(7b-2)=0 equation:


Simplifying
-2(3b + 1) + (7b + -2) = 0

Reorder the terms:
-2(1 + 3b) + (7b + -2) = 0
(1 * -2 + 3b * -2) + (7b + -2) = 0
(-2 + -6b) + (7b + -2) = 0

Reorder the terms:
-2 + -6b + (-2 + 7b) = 0

Remove parenthesis around (-2 + 7b)
-2 + -6b + -2 + 7b = 0

Reorder the terms:
-2 + -2 + -6b + 7b = 0

Combine like terms: -2 + -2 = -4
-4 + -6b + 7b = 0

Combine like terms: -6b + 7b = 1b
-4 + 1b = 0

Solving
-4 + 1b = 0

Solving for variable 'b'.

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

Add '4' to each side of the equation.
-4 + 4 + 1b = 0 + 4

Combine like terms: -4 + 4 = 0
0 + 1b = 0 + 4
1b = 0 + 4

Combine like terms: 0 + 4 = 4
1b = 4

Divide each side by '1'.
b = 4

Simplifying
b = 4

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