1. Write the equation:
d(-3 + x) = kx + 9
2. "Open" the parenthesizes:
-3d + dx = kx + 9
3. Take kx to the left side, -3d to the right, everything with different sign (+ replace with - when transferring, - replace with +):
dx - kx = 9 + 3d
4. Factor x in the left side:
x(d - k) = 9 + 3d
5. Finally, divide the whole equation by (d - k):
x = (9 + 3d)/(d - k)
That's the final answer. Good luck!
Answer:
2x^2-12x+10
Step-by-step explanation:
Answer:
1 1/2 cups.
Step-by-step explanation:
If the quantity of chocolate chips is x cups then:
x * 2 1/3 = 3 1/2
x * 7/3 = 7/2
x = 7/2 / 7/3
x = 7/2 * 3/7
x = 3/2 = 1 1/2 cups.
Answer:
Colin 9 7 1
Alice 2 8 3
Bernard 4 5 6
Hope this helps!!
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