Question 271214: One number is four more than a second number. Two times the first number is 10 more that four times the second number. Answer by Stitch(470) (Show Source):
You can put this solution on YOUR website! Equation 1:
Equation 2:
Solution:
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We can take the (4 + B) from equation 1 and substitute it into equation 2 for A
Equation 2: Simplify Subtract 10 from both sides Subtract 2B from both sides Simplify Divide both sides by 2
Now we can plug -1 into equation 1 for B
Equation 1: Simplify
Check the answer:
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Plug your values back into equation 2
Equation 2: Simplify
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