1: Evaluate x•y+9•X-3 when x=7 and y=10 2:
2:Evaluate 140=(x+9)+(x+4)2 when x=1 (show steps)

1. 130

2. 0=120

Step-by-step explanation:

1. 7*10+9*7-3

pemdas

70+63-3

130

2. kind of hard to explain but this is what i got

(1+9) + (1+4)*2 = 140

pemdas

10+5*2=140

10+10= 140

20=140

you could subtract at this point...?

140-20=120

0=120

not much context but this is what i got

$18 was the price of the t-shirt

step-by-step explanation:

is means division by fractions

step-by-step explanation: