The given expression is
Let's replace x = 7 and y = -2.
<h2>Therefore, the value of the expression is 20.</h2>
Answer:
the answer for this is:
subtract 7 from 4 to get -3
you then have 2^-3
remove the negative exponent by rewriting as 1/(2^3)
Step-by-step explanation:
30 minutes
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<h2>
Explanation:</h2>
Use BODMAS and algebra to arrive at the values of P = 5/2, q = -25/4 and r = -9/2.
Then substitute the values of p and q into p+2q to get -10
