138 x ? = 75
? = 75/138 = 0.544(3sf)
so about 54.35% (2dp) decrease
Answer:
-1/2=x
Step-by-step explanation:
-9 + x = 5x - 7
-x -x
-9=4x-7
+7 +7
-2=4x
-2/4 =4x/4
-1/2=x
Answer:
3/2
Step-by-step explanation:
move the 3x to the other side and divide it by 2
3 x 10^6
Shouldn't be too hard for ya ;)