Answer:
-8
Step-by-step explanation:
-3x+7x-8=34+9x-2
we move the x's to the left and the numbers to the right
4x-9x=32+8
-5x=40
x=-40/5
x=-8
Let's subtract:
3x + 4y is simplified
Chicken: 36%
Beef: 34%
Black Bean: 30%
<em>Hope this helps!</em>