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What must be added to $3 x + 4$ to get $7 x - 2$ ?

Class 8Adding and Subtracting ExpressionsAlgebra

A $10 x + 2$
B $- 4 x + 6$
C $4 x - 6$
D $4 x + 2$

Step-by-Step Solution

Required expression

= (7 x - 2) - (3 x + 4) = 4 x - 6

. Check:

3 x + 4 + 4 x - 6 = 7 x - 2

.

Answer: C)

4 x - 6

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