Help me please quick 9 + 12n

answer is 0

n= -0.75

plug it in multiply it by 12

which is -9

-9+9=0

Step-by-step explanation:

n = -0.75

Step-by-step explanation:

Simplifying

9 + 12n = 0

Solving

9 + 12n = 0

Solving for variable 'n'.

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

Add '-9' to each side of the equation.

9 + -9 + 12n = 0 + -9

Combine like terms: 9 + -9 = 0

0 + 12n = 0 + -9

12n = 0 + -9

Combine like terms: 0 + -9 = -9

12n = -9

Divide each side by '12'.

n = -0.75

Simplifying

n = -0.75

answer: for each 3 girls there is 2 boys . 3: 2

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