jvr2312 jvr2312

23-09-2020
Mathematics

contestada

If 3x + y = 12, find a when y = -15

Respuesta :

S0M380DY S0M380DY

23-09-2020

Answer:

9 is the answer

Step-by-step explanation:

3x+-15=12

you add 15 to 12 which is 27, 3x/27=9

Answer Link

kailacasey32 kailacasey32

23-09-2020

Answer:

x= 9

Step-by-step explanation:

3x - 15 = 12

add 15 to both sides

3x = 27

divide both by 3

x= 9

Answer Link

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