Do sum using substitutions method 2x+8y=20; y=2
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Answer:
2x + 8y = 20....... ( 1)
Substututing y= 2 in equation (1)
2x + 8(2) = 20
2x+8×2= 20
2x+ 16 = 20
2x= 20-16
2x = 4
x =4/2
x = 2
THE VALUE OF X IS 2.
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Given
By using substitution method solve this equation, 2x+8y=20. where, y= 2.
Answer:
X= 2.
Explanation :
Given, equation
[tex] \tt \leadsto2x + 8y = 20.[/tex]
[tex] \tt \leadsto2x + 8(2) = 20.[/tex]
[tex] \tt \leadsto2x + 16 = 20.[/tex]
[tex] \tt \leadsto \cancel{2}x = \cancel{4.}[/tex]
[tex] \tt \leadsto x = 2.[/tex]
Therefore, the value of x be 2.