Question

Which property of equality will be used to solve the equations . " x - 4 = 8 " ​

Answer 1

Answer:

i think its either addition property or substitution property

Step-by-step explanation:

Answer 2

Given,

Equation: x - 4 = 8.

To find,

Which property of equality will be used to solve the equation.

Solution,

Here the given equation is,

x - 4 = 8     ...(1)

There are many different properties of equalities, such as:

• reflexive property,
• symmetric property,
• addition property,
• subtraction property, etc.

It can be seen that if we add '4' to both sides of the given equation, 4 will be eliminated from LHS and then we can solve RHS to get the value of 'x'.

So, in this case, the addition property can be used, according to which, "if same quantity is added to both sides of an equation, the equation doesn't change".

So, using addition property, equation (1) becomes,

x - 4 + 4 = 8 + 4

⇒ x + 0 = 12

⇒ x = 12.

Therefore, the addition property of equality will be used to solve the equation "x - 4 = 8".