aversioso34 aversioso34
  • 11-03-2020
  • Mathematics
contestada

x + y = 6
3x = y + 6

Using the two equations, solve for x.

A.
x = 3
B.
x = 8
C.
x = 6.5
D.
x = 7

Respuesta :

dannielle
dannielle dannielle
  • 12-03-2020

Answer:

i solve it by substitution

y=6- x

3x=6-x+6

3x=12-x

+x     +x

4x=12

x=12/4

x=3

y=6-3

y=3

Step-by-step explanation:

Answer Link

Otras preguntas

What is the volume of the cone with diameter 7 in. and height 9 in.? Round to the nearest cubic inch.
how would you deal with this hard headeness​
HI PLS HELP ITS DUE AT 12 AND ITS 11:45 WILL MARK BRAINLIEST
which idea was included in the provision of the treaty of versailles to show the intent of the allies to punish the central powers for their role in world war I
Is an anxiety disorder that is marked by persistent anxiety for at least six months, and in which the individual is unable to specify the reasons for the anxiet
what are the coterminal angles for an angle of 5 pi over 3 radians​
can we defeat failure by working hard? lengthy debate
What was the most significant result of the Spanish colonization of Central and South America?Spain became rich by stealing the wealth of the American colonies.
Help me please!! I will mark you brainliest!!
In humans, a cleft chin is dominant and non-cleft is recessive. What will the generation look like