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What should you do to eliminate the y-term from the top equation 15x plus 7y equals 4 5x plus 7y equals 2?
Updated: 4/28/2022
15x+7y = 4
5x+7y = 2
Subtract the bottom equation from the top equation to eliminate y which will leave you with:
10x = 2
Divide both sides by 10 to find the value of x:
x = 2/10 = 1/5 in its lowest terms.
Substitute the value of x into the original equations to find the value of y:
Therefore: x = 1/5 and y = 1/7
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