Solve the simultaneous equation:
3x+y=-4
3x-4y=6
1 answer:
3x+y=-4
3x-4y=6
--------------subtract
5y = -10
y = -2
Substitute y = -2 into 3x + y = -4
3x + (-2) = -4
3x - 2 = -4
3x = -2
x = -2/3
Answer
Solution x = -2/3, y = - 2 OR (-2/3 , - 2)
You might be interested in
9/7 as a <span>mixed number is 1 2/7</span>
the Reflexive Property of Equality
948 divided by 1,000 is 0.948
Answer:
35, 27, and 30
Step-by-step explanation:
Answer:
84 seconds or 1 min and 24 seconds
Step-by-step explanati