Question #cef64
2 Answers
Jan 31, 2018
The number is
Explanation:
The answer is
I hope that helps!
Jan 31, 2018
Explanation:
Let x= the number
The statements;
#1. color(red)("3 more than twice a number"# is written in algebraic expression as#color(red)(2x+3# ; and
#2. color(blue)("the number subtracted from 9"# is written in algebraic expression as#9-x#
Now, equate these expression to form an equation as described; i.e.,
#2x+3=9-x# , then combine like terms
#2x+x=9-3# , simplify
#3x=6# , isolate x by dividing each term by 3
#(cancel(3)x)/cancel((3))=cancel((6)2)/cancel(3)# , simplify and find the value of x
#x=2#
Check:
Substitute the value of
#x=2#
#2x+3=9-x#
#2(2)+3=9-2#
#4+3=7#
#7=7#