Answer:
4x+7
Step-by-step explanation:
Answer:
2, 7.5
Step-by-step explanation:
2(2x - 1) + 7 < 13
4x - 2 + 7 < 1
4x + 5 < 13
4x < 8
x < 2
-2x + 5 ≤ -10
-2x ≤ -10 - 5
-2x ≤ -15
x ≤ -15 / -2
x ≤ 7.5
Answer:
Step-by-step explanation:
Sum of interior angles of a triangle is 180
- 17x + 12x - 8 + 8x + 3 = 180
- 37x - 5 = 180
- 37x = 185
- x = 185/37
- x = 5
Find each angle measure
- m∠A = 17*5 = 85°
- m∠B = 12*5 - 8 = 52°
- m∠C = 8*5 + 3 = 43°