Q: Solve the proportion 1 over 9 equals x over 18?

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No;18/84 approximately equals .214and,6/56 approximately equals .107

2/12 = m/18 ie 12 x m = 2 x 18 ...

x=18

n/18 = -72 we can solve for n by multiplying both sides by 18 which shows n = (-72)(18) = -1296

3/14=x/8414x=252 x=18

18 over 9 = 2 so x over 6 = 2 making x = 6 x 2 ie 12

2 over 3 = 18 over x+5... x=22 because (x+5) needs to equal 27 for the equation to be true.

x = -1 Since -3(-1) + 15 = 18

3/14 = X/84 Cross multiply the proportion: 14X = 252 X = 252/14 = 18.

yes

x=18

Solve, using the Rule of 72 rate = 4%, years = 18, fv=$8,000. Solve for PV. Formula: PV = $1/(1+r) t PV = $8000/(1+.04) 18 PV = $8000/2.0258 3949.03 = $8000/2.20258

U can subtract 18 from each side of the equation.

25-7=18 18/3=6

18=3(3x-6)

one over four equals eighteen over seventy-two

0.5x=18 x=36

6c-18=4c Why can rearrange this and simplify to 2c=18, which means that c = 9

18

-3

0.9

18/50 = 36%

x-18=34 solve for x add 18 both sides x-18+18=34+18 x=52

11x = 20x +1811x-20x=18x(11-20)=18-9x=18x=-2

a + 18 = 90 is a linear equation in one variable. Adding both sides by -18, we get a + 18 - 18 = 90 - 18 a = 90 - 18 = 72