cayyeb29 cayyeb29

03-03-2021
Mathematics

contestada

Solve the system of equations using the substitution method. 2x+y=8
y=x-1

Respuesta :

varukattygafoorsohil varukattygafoorsohil

03-03-2021

Answer:

x=3

Step-by-step explanation:

If we know that y=x-1, we can just substitute it and replace y with (x-1)

so 2x+y=8 becomes:

2x+(x-1)=8 and we simplify that into:

3x-1=8, add 1 on both sides to make it:

3x=9, divide 3 on both sides

x=3

Answer Link

Otras preguntas

The resultant resistance of two resistance wires in series combination is 108 ohm and in parallel combination is 24 ohm. find the value of individual resistance

How do you divide with a two digit number? Like 183 850 divided by 48.

If y^8 = 4 and y^7 = 3/x, what is the value of y in terms of x? (A) 4x/3 (B) 3x/4 (C) 4/x (D) x/4 (E) 12/x

how are airplanes artificially pressurized?

Aside absorbing water and nutrients, what other functions do the roots serve?

Which sentence does not contain any errors? A. Fortunately, information on they're collars helped us locate the owners of the dogs.

Why Do We Sweat? Need some help

What's the formula to perimeter

What is Taurine? Please help :)

How many people could read in France in 2000, 2001, 2002, 2013?