babygirl2156
babygirl2156 babygirl2156
  • 12-10-2020
  • Mathematics
contestada

Solve the system:
4x – 3y = -21
X=-y-14

Respuesta :

ihateschoolsomuch53
ihateschoolsomuch53 ihateschoolsomuch53
  • 12-10-2020

Answer:

The solution for the system of equations is

x=2,y=−2

Explanation:

4x−3y=14.....equation (1)

y=−3x+4.....equation (2)

Solving by substitution

Substituting equation 2 in equation 1

4x−3⋅(−3x+4)=14

4x+9x−12=14

13x=14+12

13x=26

x=2

Finding y by substituting x in equation 1

4x−3y=14

4⋅2−3y=14

8−3y=14

8−14=3y

3y=−6

y=−2

Answer Link
lisaneedham
lisaneedham lisaneedham
  • 12-10-2020

Answer:X=−4x/3−21

                 y=4x/3+7

Step-by-step explanation:

Answer Link

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