5+-2x=2x+-5
5=4x+-5 (add 2x to both sides)
10=4x (add 5 to both sides)
10/4=x (divide both sides by 4)
Answer:
Step-by-step explanation:
72 ÷ 4
18
Answer:
x = 34
Step-by-step explanation:
The angles x + 12, 100, and x add up to a straight angle, so the sum of their measures is 180°.
(x + 12) + (100) + (x) = 180
x + 12 + 100 + x = 180
2x + 112 = 180
2x = 68
x = 34
Answer:
2.5 teaspoon.
Step-by-step explanation:
4 serve recipe need cinnamon = 1 tsp
1 serve recipe need cinnamon = 1/4 tsp
10 serve recipe need cinnamon = 1/4 * 10
= 10/4
= 2.5 tsp
90° is the correct answer
