If Y=5x + 2 and x is 5 then
Y= 5*5 +2, using order of operations, you get
Y=25 +2
Y= 27
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If X = 4 then 5X is equal to 5 x 4 which is 20. So 20 + 2 = 22.
5x + 3 = 6x + 1 Subtract 5x from both sides: 3 = x + 1 Subtract 1 from both sides: 2 = x
y = 5x + 3When x=2,y = 5(2) + 3 = 10 + 3 = 13
There are 2 unknowns
Add 4x - 2 to each side: 5x = 5 x = 1