3 years ago

Solve the system using substitution

Mathematics

1 answer:

gladu [14]3 years ago

8 0

Answer:

its 3.5

Step-by-step explanation:

since we need to replace x with 6 the equation is now 3(6) + 8y = -10.

next i would multiply 3&6 to 18 then subtract 8y to the other side like this

18 + 8y = -10

- 8y -8y

18= -10 -8y

then i would add -10 to 18 on that side

18= -10 -8y

+10 +10

28 = 8y

then i divided

3.5 is my answer

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