Question

3w - 4z = 8 2w + 3z = -6 solve​

Answer 1

Explanation:

`3w - 4z = 8 \\ 2w + 3z = - 6 \\ 3w = 8 + 4z \\ w = (8)/(3) + (4z)/(3) \\ 2( (8)/(3) + (4z)/(3) ) + 3z = - 6 \\ 5.33 + 2.67z + 3z = - 6 \\ 5.67z = - 11.33 \\`

`z = - 1.99 = - 2 \\ w = (8)/(3) - (8)/(3) = 0`