167k views
1 vote
Determine the x-coordinate of the solution of the system of equations below. You may use any method: 2x-y=10

x+y=2


Determine the y-coordinate of the solution for the system of equations. You may use any method. 2x-y=10
x+y=2


Plz help i really don't understand these two Q please help by showing me step by step ;-; im so sorry

User Rstar
by
8.3k points

1 Answer

5 votes
Q1:
make y the subject for both equations
2x - y = 10, y = 2x - 10
x + y = 2, y = 2 - x
therefore
2 - x = 2x - 10
2 + 10 = 2x + x
12 = 3x
4 = x

Q2:
Sub x into an equation to find y
x + y = 2
y = 2 - x
y = 2 - 4
y = -2

User Shaun Bramley
by
7.8k points

No related questions found

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.2m answers

Categories