It is 15qrs.
12
r and s can be any values such that r + s = 39. The answer is indeterminate since there are many solutions for that expression. If the new expression is included, then there must be some r and s for the problem.
s + 9
2
Without any further information, the expression, "s plus 6" has no answer.
3q+4r-s+5q-6r+2s
They are: y, r, s, z and m which makes 5 of them
S= 3R multiplied by the square root of 3 (the result must be divided by 2.)
To write "5 subtracted from a quarter of s" as an expression, you can first express a quarter of s as s/4, and then subtract 5 from it. The expression would be s/4 - 5.
12
An expression for Sally gave away 5 apples is Sally - 5, or S-5. This is saying that S, or Sally, lost 5 apples.
As an algebraic expression it is: 28+s
It is the expression t - s
s divided by 6
The quotient would be 11/s
s - 20
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