Respuesta :
Answer:
1
Step-by-step explanation:
first of all, use substitution.
3x + - 4x +10 =9
Then move all x's to one side.
10 = 9 + x
Move all normal numbers to one side
1 = x
Answer:
1
Step-by-step explanation:
first of all, use substitution.
3x + - 4x +10 =9
Then move all x's to one side.
10 = 9 + x
Move all normal numbers to one side
1 = x
