SOLUTION: Please show me how to solve this liner equation: 3x + 4 = 7

Question 637278: Please show me how to solve this liner equation: 3x + 4 = 7
Answer by meetkisai(17) (Show Source): You can put this solution on YOUR website!
"=>" means implies
3(x) + 7 = 4
# subtract 7 from both sides of the equation
=> 3(x) + 7 - 7 = 4 - 7 # by equality property a = b => a+c = b+c
=> 3(x) + 0 = -3
=> 3(x) = -3
=> x = -3/3
=> x = -1 is the solution
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