Question

find the value of x​

Answer 1

Answer:

solution.. because in parallogram all diagonals are equal their halves will also equal...

Step-by-step explanation:

so,

3x+15=45

3x=45-15

X=30÷3

X=10

hope this helps you

Answer 2

Answer:

Step-by-step explanation:

3x+15=45

3x=45-15

3x=30

X=10