finn04062006 finn04062006

18-09-2020
Mathematics

contestada

Question 9 (10 points)
Solve for x,
2(x - 1) + 4 = 4(x + 1)

Respuesta :

morganwatson723 morganwatson723

19-09-2020

1. Expand
2x − 2 + 4 = 4x + 4

2. Simply
2x + 2 = 4x + 4

3. Subtract
2 = 4x + 4 - 2x

4. Simplify
2 = 2x + 4

5.Subtract
2 - 4 = 2x

6. Simplify
-2 = 2x

7. Divide both sides by
-1 = x

8.Switch sides.
x = -1

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