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Addition and subtraction of algebra

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Add like terms.
i mean first you have to find the lcm bro
Why lcm? there's no fraction. :p

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Other answers:

ohh srry i forgot how to right over u know this /
Use Equation Razor
this is how the equation lools like
srry for that guyz
do u want a breakup or all the steps?
lol i want all the steps please if you can
\[\frac a3+b+\frac7a-2b\]\[\frac a3+ \frac 7a + b - 2b\] \[\frac{a(a) + 7(3)}{3a} + b - 2b\] \[\frac{a^2 + 21}{3a} - b\]
Following up, \[\frac{a^2 + 21 - b(3a)}{3a}\] \[\frac{a^2 + 21 - 3ab)}{3a}\]
is that the answer
What do u think?
thanx bro
Did u get the steps?
ok, cool.
That is not simplified. :P
okay u are correct
Thanks. ;D

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