Solve the system of equations 3x +y = 3 and 7x+ 2y = 1. 1 Solve for the variable y in the first equation
2 Substitute the value fory into the second equation:
3 Solve for x:
y=3-3
7x+2(3 -3x) = 1

60

step-by-step explanation:

answer: 1 and 3

step-by-step explanation:

b is 38 degrees.

a is 52 degrees.

this is because if b is 38 and a is 14 degrees more than b than 38+14=52 and 52+38=90 degrees. hope this .

9 sandwiches per hour

step-by-step explanation:

when we have a rate, we want a 1 in the denominator

27/3 = 9

27 sandwiches/ 3 hours = 9 sandwiches/hour