n = 66
Step-by-step explanation:
you can make a proportion 3/99 = 2/x
99 * 2= 198
3 * x = 3x
so the equation would be 198 = 3x
than do 198 ÷ 3 on ur calculator
so x (or n in this context) would equal 66
Which step is not necessary when solving this system of equations by graphing? 3x-y=4 x+y= -4
2 answers:
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