Answer:
x = -3
-1 < x
Step-by-step explanation:
a) 4-2x = 10
Subtract 4 from each side
4-4-2x = 10-4
-2x = 6
Divide each side by -2
-2x/-2 = 6/-2
x = -3
b) x+3>-2x
Subtract x from each side
x+3-x > -2x-x
3 > -3x
Divide each side by -3, remembering to flip the inequality
3/-3 < -3x/-3
-1 < x