Ask Question
MathematicsMathematics
25 January, 20:04

Use substitution to solve the system

2y - 8 = x

2x + 3y = - 2

+2
Answers (1)
  1. 25 January, 20:49
    0
    x=2y-8

    We use the substitution of x in the second equation

    2 * (2y-8) + 3y = - 2

    4y-16+3y=-2

    7y-16 = - 2

    7y = - 2 + 16

    7y=14

    y=14Ș7

    y=2

    so x = 2*2 - 8

    x=4-8

    x=-4

    the solution is (x, y) = (-4, 2)
Know the Answer?
Not Sure About the Answer?
Find an answer to your question ✅ “Use substitution to solve the system 2y - 8 = x 2x + 3y = - 2 ...” in 📘 Mathematics if you're in doubt about the correctness of the answers or there's no answer, then try to use the smart search and find answers to the similar questions.
Search for Other Answers
You Might be Interested in
Which expression is equivalent to - 3 2/3
Answers (1)
Negative square root of 99
Answers (2)
Solve each proportion 4/x+2=16/9
Answers (1)
What is the answer 6/10 + 8/100
Answers (1)
a fish tank is shaped like a rectangular prism. it has the length of 5 feet, a width of 2 feet, and a height of 3 feet. what is the volume of this tank
Answers (2)
New Questions in Mathematics
Which expressions are equivalent to - 6Z + (-5.5) + 2.5z + 5y - 3.5? Select all that apply. A. - 3.5z + 5y-9 B. - 9 + 5y + (-3.52) OC. - 9 + 5y + 3.52 OD. 5y + (-3.5z) - 5.5 E. 5y-9-3.52
Answers (1)
Solve for w - 2/5+1/2w = - 6/7
Answers (1)
Liliana takes four breaths Per 10 seconds during yoga at this rate about how many breaths would Liliana take in two minutes of yoga
Answers (2)
Which expressions have the same solution as - 4 (6) ? Check all that apply. -4 ( - 6) 4 ( - 6) 6 ( - 4) -8 (2) 12 ( - 2)
Answers (2)
A certain type of bacteria, given a favorable growth medium, doubles in population every day. If you begin with 10 bacteria, how many days will it take for the population to reach 20,000
Answers (1)
Home » Mathematics » Use substitution to solve the system 2y - 8 = x 2x + 3y = - 2
Sign Up Forgot Password?