Answer:
-35-18x
Step-by-step explanation:
just calculate the difference
-35-20x+2x
-35-18x
Percent means parts out of 100
85%=85/100=0.85
'of' means multiply
therefor
85% of x equals 17 means
0.85 times x=17
divide both sides by 0.85
x=20
the number is 20
Your answer is 4x^2+7x-10
