02-04-2021
Mathematics

contestada

how to solve 3x+y=6 and y=-3 using substation method

Respuesta :

vibhathirumale vibhathirumale

02-04-2021

Answer:

x=3

Step-by-step explanation:

since they give you y this is a very simple problem

simply replace y with -3 and get

3x+(-3)=6

adding a negative number is the same as subtracting a positive number

3x-3=6

add 3 on both sides

3x=9

divide by 3 on both sides

x=3

Answer Link

Otras preguntas

Could some one solve this for me? I’m to dumb

3a−1=2a show work please

The price of mangoes in a grocery store is 3 for $5. How much will 5 mangoes cost? Round the answer to the nearest hundredth.

What is the value of x?

A rose plant inherited two alleles for white flower petals. Which conclusion is best supported by the given information?

what is the square root of 144? plz temme!!!!!!!!!!1

One drawback of voluntary trade is that it a requires two groups to use a common language b can make one group dependent upon another for necessary goods c

21 feet of yarn costs $42.70. What is the price per yard?

Help plz:))) I’ll mark u brainliest How is ambition not always a negative trait? 5 sentences pls [^_^]

What is 60/7 converted to a mixed number and simplified