3 years ago

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

1 answer:

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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