(1.2x + y + 3z = 12
2. x-2y+=-5
3.5x – y + 2z = 5
a. Use equations 2 and 3 and eliminat...
Mathematics, 13.10.2020 02:01 vanna7353
(1.2x + y + 3z = 12
2. x-2y+=-5
3.5x – y + 2z = 5
a. Use equations 2 and 3 and eliminate the z by multiplication and addition, creating a new equation with only two variables.
b. Use equations 1 and 2 and eliminate the z by multiplication and addition, creating a second equation with only two variables.
c. Use the two new equations, and eliminate the 3-variable by multiplication and addition, finding the value for the y-variable.
d. Substitute y-value in the second new equation and find the 3-value.
e. Substitute the 2 - and y
values into original equation 2 to find the 2 -value
Answers: 3
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