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Substitute this equation
-1x-3y=4
2x=16

2 Answers

5 votes

Answer:

Step-by-step explanation:-

-1x - 3y = 4 (eqn 1)

2x = 16 (eqn 2)

from eqn 2

2x = 16

x = 16/2

x = 8

Substitute x = 8 into eqn 1

-1(8) - 3y = 4

-8 - 3y = 4

-3y = 4 + 8

-3y = 12

y = 12/-3

y = -4

therefore, x = 8 and y = -4

User Valgaal
by
4.3k points
4 votes

Answer:

x= 8 y= -4

Step-by-step explanation:2x=16 divide 2 on both, x=8, plug in 8 for x, -1x8-3y=4 will become = -8-3y=4 add 8 on both sides and divide by -3 the answer will be -4

User Dakeyras
by
3.9k points