2b-(-4)=18

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Solution for 2b-(-4)=18 equation: 


Simplifying
2b + -1(-4) = 18

Multiply -1 * -4
2b + 4 = 18

Reorder the terms:
4 + 2b = 18

Solving
4 + 2b = 18

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 + 2b = 18 + -4

Combine like terms: 4 + -4 = 0
0 + 2b = 18 + -4
2b = 18 + -4

Combine like terms: 18 + -4 = 14
2b = 14

Divide each side by '2'.
b = 7

Simplifying
b = 7

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