Answer:5x=5x
Step-by-step explanation:(2x+x+x+x)+(-2+1+1)=(2x+x+x+×)+(-9+1+8) 5x+0=5x+0. 5x=5x
Answer:
x=1
Step-by-step explanation:
5x=5x x=1
B
cos(a) is AC/AB and sin(B) is AC/AB