Answer:
Step-by-step explanation:
Let the number be x
4times a number =4x
The difference of four times a number and seven : 4x - 7
4x - 7 = 13
4x = 13 + 7
4x = 20
x = 20/4
x = 5
Answer:
x=84
Step-by-step explanation:
Add 4 on both sides
3=x/12-4
7=x/12
Multiply both sides by 12
(12)7=x/12(12)
84=x
Hope this helps! :)
Answer:
Exponential
Step-by-step explanation:
When two parallel lines are intersected by a transversal line, forming the angles that are supplementary