Register
What is the solution to the system of equations? x + 2y = 10 3x + 4y = 8
178k views
6 votes
What is the solution to the system of equations? x + 2y = 10 3x + 4y = 8

User Swapnil Patel
by
6.4k points

2 Answers

5 votes
x + 2y = 10 —> 2x + 4y = 20
3x + 4y = 8

Minus both equations:
x = -12

Substitute x into an equation
-12 + 2y = 10
2y = 22
y = 11
User RyanWilcox
by
6.3k points
10 votes

Explanation:

using substitution method

What is the solution to the system of equations? x + 2y = 10 3x + 4y = 8-example-1
User Bussller
by
6.0k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

6.8m questions

9.1m answers

Other Questions

A pair of dice is rolled, and the number that appears uppermost on each die is observed. Refer to this experiment and find the probability of the given event. (Enter your answer as a fraction.) One die
3/4x+5/6=5x-125/3 solve for x
Paul bought a student discount card for the bus. The card allows him to buy daily bus passes for $1.60. After one month, Paul bought 23 passes and spent a total of $45.80. How much did he spend on the
Which of the following comparisons is false? 5° c is warmer than 5°f. 15° c is cooler than 60° f. 30° c is warmer than 90° f. 35° c is cooler than 100° f.
What is 0.12 expressed as a fraction in simplest form
Link Copied!