Let x be the unknown number
x×55%=121
x=121÷55%
x=220
So 121 is 55% of 220
Cancel out the terms from one side first then do it for the other one. 4 example make x and individual by multiply the other side by 9 the evaluate. do the same for y
Y - 9 = -1/4 ( x + 2)
answer
<span>y−9=−14(x+2)
last one</span>