SOLUTION: How do I do a linear equation of a+d=100 1.00a+1.50=120 can you give me the steps to do so.

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Question 108938: How do I do a linear equation of
a+d=100
1.00a+1.50=120
can you give me the steps to do so.
Answer by Fombitz(13823) About Me  (Show Source):
You can put this solution on YOUR website!
1.a%2Bd=100
2.1.00a%2B1.50=120
First, are you missing the variable d from equation 2???
Use equation 2 to solve for a, then substitute that value into equation 1.
Hopefully this points you in the right direction.
If you need more help, post another question.