-2b-3-4=18

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Solution for -2b-3-4=18 equation:


Simplifying
-2b + -3 + -4 = 18

Reorder the terms:
-3 + -4 + -2b = 18

Combine like terms: -3 + -4 = -7
-7 + -2b = 18

Solving
-7 + -2b = 18

Solving for variable 'b'.

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

Add '7' to each side of the equation.
-7 + 7 + -2b = 18 + 7

Combine like terms: -7 + 7 = 0
0 + -2b = 18 + 7
-2b = 18 + 7

Combine like terms: 18 + 7 = 25
-2b = 25

Divide each side by '-2'.
b = -12.5

Simplifying
b = -12.5

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