# ALGEBRA

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3+x(12*4)-24
3+x(48)-24
51x-24
51-24=27
48/27
x=1.7?

Not sure if I did the steps correctly.

• ALGEBRA -

why did you add 48x + 3 to equal 51x?
then the 'x' is gone in the next line?

• ALGEBRA -

the original problem is
3+x(12*4)-24
and I thought because by 12* 4= 48 then by adding 3 that gave me 51 then I subtracted 24 and that left me with 27 so I divided 48 by 27 and that gave me 1.7 so i placed 1.7 as the x and it's on the other line showing how the steps are broken down. I didn't think it would be correct doing it straight across.

• ALGEBRA -

3 + x(12*4) - 24

if that is the problem then,
3 + 48x - 24
48x - 21
48x = 21
x = 21/48
x = 7/16

you can only combine 'like terms'
x terms can only be added to other x terms, constant terms can only be added to other constant terms.
do you understand?

• ALGEBRA -

no I don't because I was going by pemdas.

• ALGEBRA -

what is 'pemdas'?

• ALGEBRA -

Parenthesis, Exponents, Multiply, Divide, Add, Subtract (order of operations for evaluating math expressions)

• ALGEBRA -

I followed that
3 + x(12*4) = 24

multiply 12*4
3 + 48x = 24
subtract 3 from both sides
3 - 3 + 48x = 24 - 3
48x = 21
divide both sides by 48
48x/48 = 21/48
x = 21/48
reduce fraction
x = 7/16

• ALGEBRA -

thank you

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