Answer:
x=20
Step-by-step explanation:
2x+10=3x-10
Subtract 2x from each side
2x-2x+10=3x-2x-10
10 = x-10
Add 10 to each side
10+10 =x-10+10
20 =x
3yx-1
i think (the -1 is an exponent)
Answer:
32.5
Step-by-step explanation:
Take 30% of $25, and get 7.5, then add $7.50 to $25. Now she's making $32.50 an hour.
P= 2(5t-3.5) + 2(3.5t+6)
10t-7 + 7t+12
the perimeter of the rectangle is 17t + 5