Answer:
-6 on both sides
4x < 12
divide by 4
x < 3
if the 18 is negative
4x = -24
x < -6
Step-by-step explanation:
Answer:
See below
Step-by-step explanation:
The 'mean' is the three numbers added together
then this sum is divided by 3
(5 + 7 + 9 )/3 = 21/3 = 7
Answer:
it equals 11 haha !
Step-by-step explanation:
have a great day/night :)
Answer:
1. Re-writing an equation to remove all the variables.
Step-by-step explanation:
Backtracking is the procedure required for solving problems that has series of parts combined as one. It involves the retracing each part after one or two parts has been solved to solve the whole problem.
In mathematics when given an equation with variables, the solution can be obtained by calculating the values of each variable. To determine the final solution sometimes requires substitution procedure.
The best option that describe backtracking in maths-sense is; re-writing an equation to remove all the variables.
