Answer:
The number is -1/2
Step-by-step explanation:
Let x be the number
2x+8 = 7
Subtract 8 from each side
2x+8-8 = 7-8
2x = -1
Divide each side by 2
2x/2 =-1/2
x = -1/2
2x + 8 = 7
"a number" can be signified by a variable.
So 2 times a number would give you 2x
And 8 would mean to add 8.
Is 7 means the end result is 7.
So 2x + 8 = 7
6
60% of 50 is 30 and 20% of 30 is 6
5 <u>></u> c
x=1
Divide both sides by the numeric factor on the left side then solve.
Hope this helps.