philiptrieu2486 philiptrieu2486
  • 15-01-2021
  • Mathematics
contestada

4x + 5y = -10
4x + 3y = -22
Solve by using the method of elimination

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sharonmelgar
sharonmelgar sharonmelgar
  • 15-01-2021
Answer: X = -10
Y = 6
Step by step:
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latasonahousam
latasonahousam latasonahousam
  • 15-01-2021

Answer:

y=6. &. x = -10

Step-by-step explanation:

if 4x + 5y = -10

then 4x = -10 -5y. ---------->(1)

if 4x + 3y = -22

then 4x = -22 -3y. ------------>(2)

from equation (1) & (2) :

then -10 -5y = -22 -3y

then 22 -10 = 5y -3y

12 = 2y

then y=6

substituting in (1) or (2):

then. x= -10

Answer Link

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