byebhebehhehd byebhebehhehd

29-03-2021
Mathematics

contestada

12
Given that
R
=
3
x
+
2
y

Find
x
when
y
=
7
and
R
=
8
x
=

Respuesta :

wassuphumans wassuphumans

29-03-2021

Answer:

x=-2

Step-by-step explanation:

R=3x+2y

y=7, R=8

x=?

Substitute R and y with the values given

8=3x+2(7)

8=3x+14

Combine like terms

8-14=3x

-6=3x

x=-2

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