31
just substitute -8 for all x
process here:
f(x) = -3x + 7
f(-8)= -3(-8) + 7
-32 = -2^5 and -18 = -2*3²
Answer:
It is 300,000
Step-by-step explanation:
You said . . . . . 2/3 + x/3 = 4
Subtract 2/3 from each side: x/3 = 3-1/3
Multiply each side by 3: 3 · (x/3) = 3 · (3-1/3)
Simplify that mess : x = 10
£67.00 / 7= £9.57that’s how much cost the hat
£67.00-£9.57= £57.43
£57.43/7= £8.20 per T-shirt