Vertical angles are equal
4x = 45 + 15
4x = 60
x = 60/4
x = 15
Answer:
Its 13
Step-by-step explanation:
Answer:
10
Step-by-step explanation:
Given expression:
20 - 
To solve this problem, we use the order of operation:
P - Parentheses
E - exponents
M - multiplication
D - division
A - Addition
S - Subtraction
Now solve the parentheses first;
= 20 - 
= 20 - 
Now solve the exponents:
= 20 - 
Now solve the division:
= 20 - 
= 20 - 10
= 10