0
Anonymous
x=5
y=-3
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If x=4 then 2x+7 =
X=7
-7 +2x = x + 8 2x - x = 7 + 8 x = 15
no x would be 0.5 because two times 0.5 is 1 ( 2x ) and then add 7 equals 8 ( plus seven equals 8 )
2x+3 = 7 2x = 7-3 2x = 4 x = 2