-4
Because 15x-7x= 8x
8x+5x= 13x
13x= -52
-52 / 13= -4
x = -4
Answer:
g is 37
Step-by-step explanation:
supplementary means two angles that add up to 180°
180-143=37
It looks like the first 3 are because they all are blank x2.5 but the last one would be 8x2.5=20..
Answer:
0
Step-by-step explanation:
-6x+4=-6x+4
0x=0
X=0