PEMDAS
Multiplication: 2 + 5 - 18=
Addition: 7-18=
Subtraction: -11
Answer=-11
Answer: -6
Step by step:
2x + 3(8) = 12
2x + 24 = 12
2x = -12
x = -6
ANSWER: x = 130°
EXPLANATION: You must add given angles and then subtract from 180°.
Answer:
1
Step-by-step explanation: