I’m not that smart... but let me use first as example.. 240 divided by 4
Answer:
19 + 14 + 10 = 43
Step-by-step explanation:
+8y and -8y cross out.
So the first one is 3x=15
Second one is 2x=10
x=5
Then plug x is one of the equations
2(5)-8y=10
10-8y=10
x=5
y=0