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Answered

x²+4y+z, where x=3,y=12 and z=8​

Sagot :

Answer:

mag bibigay nalang ako po ng example 5x+2y −z =3. Add the second two equations. (B) 3x. +2z =8. This is equation (B), our ... 3x+2z =8. 2x=4. Solve, divide by2. 2 2 x=2. We now havex! Plug this into either (A) or(B) ... 12x −9y +6z =−87 Add these two equations together ... 4x + z =4y y =x+1. 28) 3x +2y = z + 2 y =1− 2x. 3z = −2y. 30) − w + 2x − 3y + z = − 8.

Step-by-step explanation:

Answer:

65

Step-by-step explanation:

x=3,y=12 and z=8​

3^2 + 4*12 +8

\/        \/        |

9     +    48   + 8

 \          /

    57 + 8  = 65

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