If 3x+5 is the LHS of an equation and the value of x is 3, what is/are the possible RHS(s) of the equation?
A
x(x+5)
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B
2x+8
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C
6x+12
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D
2x+5
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Solution
The correct option is C6x+12 In an equation the value of the LHS and the RHS should be equal.
The LHS of the equation is given as 3x+5 and the value of x is 3. So, value of the LHS is 3×3+5=14.
Among the four options the first and fourth expressions have value 14.
Because, 2x+8=2×3+8=14
and 6x+12=63+12=2+12=14.
Hence, the 2x+8 and 6x+12 are the possible RHS for the given equation.