How do you evaluate the expression 7p+q(3+r),for p=3,q=2,and r=1?

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Answer 1 · 2015-09-10T10:44:22

The value of this expression is #29#

First you have to substitute numbers for variables:

#7*3+2*(3+1)#

Now you calculate the expression in brackets:

#7*3+2*4#

Now you calculate both multiplications:

#21+8#

Finally you can add the numbers to get the result: #29#