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Solve each system of equations by using substitution

2x+y=4
3x+2y=1

Sagot :

pepe11
y = 4 - 2x
=> 3x + 2(4 - 2x) = 1 => -x + 8 = 1 => x = 7 
=> y = 4 - 14 = -10 
(7,-10)
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