Evaluate a+4a+4a, plus, 4 when a=7a=7a, equals, 7.
Answers
Answered by
4
Answer:
1/14
Step-by-step explanation:
a+4a+4a+4=7
7a+28a+28a=3
42a=3
a=1/14
Answered by
2
Answer:
a+4a+4a+4=7
=7a+4(7a)+4(7a)+4=7
=7a+28a+28a+4=7
=63a+4=7
=63a=7-4
=63a=3
=a=3/63
=a=1/21
Similar questions