solve the equation 4x – 9 = 11 for x.
Mathematics
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Question
solve the equation 4x – 9 = 11 for x.
2 Answer

1. User Answers royalranger
4x  9 = 11
4x = 20
x = 5 
2. User Answers apologiabiology
remember: you can do ANYTHING to an equation as long as you do it to both sides
4x9=11
add 9 to BOTH SIDES
4x+99=11+9
4x+0=20
4x=20
divide both sides by 4
(4x)/4=20/4
(4/4)x=5
1x=5
x=5