Whats the the algebraic expression for "the quantity x plus 9 times the quantity 7 minus x"?
1 Answer
Jan 10, 2016
7(x + 9 ) - x
Explanation:
the quantity x plus 9 is written x + 9 , plus meaning add.
times the quantity means multiply the quantity x + 9 multiplied by 7
this is written 7(x + 9 )
finally minus x means subtract x
putting it all 'together' we get 7(x + 9 ) - x
