X= a number
29 - 2x= 21
subtract 29 from both sides
-2x= -8
divide both sides by -2
x= 4
CHECK:
29 - 2x= 21
29 - 2(4)= 21
29 - 8= 21
21= 21
ANSWER: The number is 4.
Hope this helps! :)
Answer:
<em><u>D.</u></em>
Step-by-step explanation:
A polynomial is an expression that looks similar to this:
3x³+x-3
Answer:
because V isn't 12, or in symbols, V-16 ≠ -4 because V ≠ 12
Step-by-step explanation:
12- 16 = -4 and that's what we want to avoid.
X+4=2x-19
x = 23
subtract x from left side and add 19 to right side.
Answer:
its B
Step-by-step explanation:
sorry if its wrong
