Step-by-step explanation:
a. (0.60x + 0.70y)- 50 = 10
<=> 0.60x + 0.70y = 60
b. (x+y) = 5(x-y)
x+y=5x-5y
<=> 4x - 6y = 0
Answer:
x^4 + 5x^3 - 12x^2 + 5x + 1
If x = -0.25 and y = -6 then we have -6(-0.25) = 1.5
Hope this helps!
whole number and a fraction
