Answer:
in the forth line of the equation it should be this
-6x+10=4x+20
-6x-4x=20-10
-10/-10x=10/-10
x=-1
hope this helps (look in the picture)
Step-by-step explanation:
x=49
los 3 angulos del triangulo deben de sumar 180
76+55=131
180-131=49
76+55+49=180
im pretty sure it is 2
66%
bcz out of 3 stuff in 100% is 66%
