The equation shown above is showing the Addition Property
of Equation where the number “3” is added to both of its sides. This is shown
below,
<span> 4x - 3 = 7</span>
<span> 4x - 3 + 3 = 7 +
3</span>
<span> 4x = 10</span>
It’s congruent because both of the shapes are very similar to each other.