This will help a lot if you go to desmos! Just graph the equation on there! It’s much easier to see on computer
The entire picture is needed to solve. the bottom of the pic is cut off
X = the dividend
x ÷ 7 = 13
x = 13x7
x = 91
Answer:
x = 20
Step-by-step explanation:
x° + 2x° + (x+10)° = 90°
3x° + x° + 10° = 90°
4x° + 10° = 90°
4x° = 90°-10°
4x° = 80°
x = 80/4
x = 20