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Lera25 [3.4K]
3 years ago
13

A student is trying to solve the set of two equations given below:

Mathematics
1 answer:
lions [1.4K]3 years ago
8 0
Equation A : x + z = 6
Equation B : 2x + 3z = 1

Possible step used in eliminating in  z-term.

Multiply equation A by -3.

-3(x +z) = -3(6)
-3x - 3z = -18

-3x - 3z = -18
 <u>2x + 3z =   1</u>
-x           = -17
<u>÷ -1           ÷ -1
</u>x             = 17
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