The output of a function is 7 more than 2 times the input. Write and solve an equation to find the input when the output is 15
1 answer:
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Answer:
x= y=5-
Step-by-step explanation:
x+y=5
y=5-x
x-y=a
x-(5-x)=a
2x-5=a
2x=a+5
x=
x+y=5
+y=5
y=5-