2x-1=3 — step-by-step solution

⚠ 2x is read as the product 2*x: for a power, write 2^x

Let's solve in

ℝ

2 x - 1 = 3

2 x = 3 + 1

2 x = 4

x = \frac{4}{2}

▶Solution obtained:

x = 2