Answer:
The Final answer is option D ) 10
[tex]x=10[/tex]
Step-by-step explanation:
Given:
[tex]x + 4y = 18[/tex] ......................Equation( 1 )
[tex]x - 4y = 2[/tex] ......................Equation( 2 )
To Find:
x =?
Solution:
Adding Equation ( 1 ) and ( 2 ) we get
[tex]x+4y+x-4y=18+2\\\\2x=20\\\\\therefore x =\frac{20}{10} \\\\\therefore x =10[/tex]
The Final answer is option D ) 10
