Question

x satisfies an equation means
a) x=0
b) When substituted, LHS=RHS.
c) x is equal to the RHS.
d) None of the above.

Answer 1

Answer:

The correct option is B.

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Answer 2

Answer:

(b) When substituted , LHS = RHS

Let us prove this statement with the help of an equation with the variable as x .

= 2x + 3 = 15

2x = 15 - 3 ( Transposing +3 from LHS to RHS changes +3 to -3 )

2x = 12

x = 12 ÷ 2 ( Transposing ×2 from LHS to RHS changes ×2 to ÷2 )

x = 6

As you can see her the number in the LHS which is x is equal to the number in the RHS that is 6 , which means that when substituted the LHS and RHS of an equation are equal .

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