joshiahchapman joshiahchapman

09-09-2020
Mathematics

contestada

How many solutions does this equation have? –10 − 9z = –4 − 10z

Respuesta :

hippopotamus hippopotamus

09-09-2020

Answer:

1 solution

Step-by-step explanation:

-10 - 9z = -4 - 10z

Isolate z:

-9z + 10z = -4 + 10

z = 6

This is the only solution, so the equation has 1 solution.

Answer Link

wegnerkolmp2741o wegnerkolmp2741o

09-09-2020

Answer:

z = 6

1 solution

Step-by-step explanation:

–10 − 9z = –4 − 10z

Add 10z to each side

–10 − 9z+10z = –4 − 10z+10z

-10 +z = -4

Add 10 to each side

-10 +z +10 = -4+10

z = 6

Answer Link

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