Answer:
I think its 21 but iam not sure about the rest
Answer:
i think its b and c
Step-by-step explanation:
8x+7+4x and 12x+7 are the same just not simplified
Answer:
no
Step-by-step explanation:
Answer:3150
Step-by-step explanation:
70% of 10,000 is 7000. 45% of 7000 is 3150
3y - x = a
To solve for y we isolate the y variable.
3y = x + a
y = (x + a)/3