9-(-4b)=17

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Solution for 9-(-4b)=17 equation: 


Simplifying
9 + -1(-4b) = 17

Remove parenthesis around (-4b)
9 + -1 * -4b = 17

Multiply -1 * -4
9 + 4b = 17

Solving
9 + 4b = 17

Solving for variable 'b'.

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

Add '-9' to each side of the equation.
9 + -9 + 4b = 17 + -9

Combine like terms: 9 + -9 = 0
0 + 4b = 17 + -9
4b = 17 + -9

Combine like terms: 17 + -9 = 8
4b = 8

Divide each side by '4'.
b = 2

Simplifying
b = 2

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