Mathematics for IGCSE & O level - Equations (Section 6 - No. 47)

In the equation 2x + 3 = 7, what operation should be performed first to isolate the term with 'x'?

Multiply both sides by 2

Subtract 3 from both sides

Divide both sides by 2

Add 3 to both sides

To isolate '2x', the inverse operation of adding 3 is subtracting 3 from both sides.