For the following exercises, solve the system of three equations using substitution or addition. x+y+z=1 2x +
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For the following exercises, solve the system of three equations using substitution or addition.
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x+y+z=1 2x + 2y + 2z = 1 3x + 3y = 2
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Solution From the 1st equation we will find x by other variables x y z 1 2x 2y 2z 1 ...View the full answer
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