Answer:
x=6
Explanation:
......................
7x+2y = 48
Let y = 3
7x +2(3) = 48
7x+6 = 48
Subtract 6 from each side
7x+6-6 = 48-6
7x = 42
Divide each side by 7
7x/7 = 42/7
x = 6
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