18=-2(-4)+b

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


Simplifying
18 = -2(-4) + b

Multiply -2 * -4
18 = 8 + b

Solving
18 = 8 + b

Solving for variable 'b'.

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

Add '-1b' to each side of the equation.
18 + -1b = 8 + b + -1b

Combine like terms: b + -1b = 0
18 + -1b = 8 + 0
18 + -1b = 8

Add '-18' to each side of the equation.
18 + -18 + -1b = 8 + -18

Combine like terms: 18 + -18 = 0
0 + -1b = 8 + -18
-1b = 8 + -18

Combine like terms: 8 + -18 = -10
-1b = -10

Divide each side by '-1'.
b = 10

Simplifying
b = 10

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