The value of x=1
Step-by-step explanation:
Given the equations as :
-2x + y= 8
5x - y= -5 ------adding the equations
---------------------
3x = 3 -------dividing both sides by 3
x = 1
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Simultaneous equations : brainly.com/question/12318095
Keywords : equations, system, value
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Answer:
Step-by-step explanation:
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Answer:
x=20
Step-by-step explanation:
Y = kx
k = y/x = 15/3 = 5
<span>when y = 4
5 = 4/x
x = 4/5
answer
</span><span>when y = 4 , x = 4/5</span>