aslamashrafi16
Answered

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3w - 4z = 8 2w + 3z = -6 solve​

Sagot :

asmaNasr

Step-by-step explanation:

[tex]3w - 4z = 8 \\ 2w + 3z = - 6 \\ 3w = 8 + 4z \\ w = \frac{8}{3} + \frac{4z}{3} \\ 2( \frac{8}{3} + \frac{4z}{3} ) + 3z = - 6 \\ 5.33 + 2.67z + 3z = - 6 \\ 5.67z = - 11.33 \\ [/tex]

[tex]z = - 1.99 = - 2 \\ w = \frac{8}{3} - \frac{8}{3} = 0[/tex]

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