Respuesta :
you would add like terms so it would be 1x then you add 1 to 7 so you would get 8.. the you divide both sides by 1x and you'd get 8=x
Answer: x = 8
−2x − 1 + 3x =7
−2x + −1 + 3x =7
(−2x+3x) + (−1) =7 (Combine Like Terms)
x+ −1 =7
x−1=7
Step 2: Add 1 to both sides.
x−1+1=7+1
x=8