Answer:
Do you mean 5x+20=70?
If so (Under)
Step-by-step explanation:
5x+20=70
5x=50
x=10
Answer:
B. 30
Step-by-step explanation:
Given.:
m<4 = 2x°
m<5 = 4x°
Required:
Value of x
Solution:
<4 and <5 are angles in a straight line, therefore:
m<4 + m<5 = 180°
Substitute
2x + 4x = 180°
6x = 180°
x = 180/60
x = 30
Hint: Selecting<span> "AUTO" in the variable box </span>will<span> make the calculator automatically solve for the first variable it sees. Quick-Start Guide. The calculator uses </span>cross multiplication<span> to convert </span>proportionsinto equations which are then solved using ordinary equation solving methods. Be sure to enter something in each input box<span> ...</span>
