a. -2x-1 = x+3 b. -(4x-8) = 0

Question

Matematika Diposting : 2017-07-28 Diupdate : 2022-05-25 rafatimaazzahr

Pertanyaan

a. -2x-1 = x+3
b. -(4x-8) = 0

Answer 1

a.
-2x - 1 = x + 3
-2x - x = 3 + 1
-3x = 4
x = 4/-3
x = -1 1/3

b.
-(4x - 8) = 0
-4x + 8 = 0
-4x = -8
x = -8/-4
x = 2

Answer 2

a.
-2x - 1 = x + 3
x + 2x = -1 - 3
3x = -4
x = -4/3

b.
-(4x - 8) = 0
-4x + 8 = 0
4x = 8
x = 2