7-3y=22
-7 -7
-3y=15
Divide by -3. y=-5
Answer:n=-t+m
Step-by-step explanation:
first you would multiply 25 x 3, which is 75 and then multiply 60 x 2 which is 120, then add 120 and 75 together, making the answer 195
I am better at substitution, but you want to get the equations as similar as possible, but are the opposite, so you can cancel it out.