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Valerie Daniels
Mathematics
10 December, 16:13
5x - 2y = 30 if 8 = x
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Sheldon Schwartz
10 December, 16:15
0
If x = 8 then y = 5
Step-by-step explanation:
Plug x into the equation and solve
5x - 2y = 30 < - Rewrite
5 (8) - 2y = 30 < - Plug x in
40 - 2y = 30 < - Simplify
-40 - 40 < - Get y alone
-2y = - 10 < - Simplify
y = 5 < - Divide both sides by - 2 to get y
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