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Cherish Roach
Mathematics
22 August, 10:13
Find the value of y when x equals 20 - 2x+4y=-4
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Enrique Stein
22 August, 10:21
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Answer = y = 9
Simplify both sides of the equation
4y-40=-4
add 40 to both sides
4y - 40 + 40=-4 + 40
4y = 36
divide both sides by 4
4y/4 = 36/4
36/4 = y=9
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