Answer:
7
Step-by-step explanation:
-x+2+5x=10(x-4)
4x+2=10x-40
2+40=10x-4x
42=6x
42/6=6x/6
7=x
x = 7
-x + 2 + 5x = 10 (x - 4)
=> 4x + 2 = 10x - 40
=> 4x - 10x = -40 - 2
=> -6x = -42
=> 6x = 42
=> x = 42/6
=> x = 7
