A system of equations is shown below.
1 answer:
Answer:
14x=72
Step-by-step explanation:
we have
4x+y=18 -----> first equation
2x-3y=18 ----> second equation
Multiply the first equation by 3 both sides
3*(4x+y)=18*3
12x+3y=54
Adds to the second equation
12x+3y=54
2x-3y=18
---------------
12x+2x=54+18
14x=72
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