There is only one sign changed in the whole equation so possibly the answer must be one. correct me if I'm wrong
Answer:
In 5:
UM and MS are equal since the diagonals US and VT have perpendicularly bisected each other.
So,15=6x-3
15+3=6x
18=6x
3=x
In 6:
ET=TC
8=x-4
8+4=x
12=x
Step-by-step explanation:
x is 7 8
y is 5 6
