2x + 1 = 5 – 2xx = ? ​

Jawaban:

2x+1=5-2x

2x+2x=5-1

4x=4

x=1

2x+1 = 5–2x

2x+1–1 = 5–1–2x

2x = 4–2x

2x+2x = 4–2x+2x

4x = 4

4x÷4 = 4÷4

x=1