Q1 of 25 Page 77

Each equation is followed by the values of the variable. Decide whether these values are the solutions to that equation.

x – 4 = 3, x = – 1, 7, – 7

given x – 4 = 3


adding 4 on both sides


so x = 4 + 3 = 7


7 is the only solution of this given equation


More from this chapter

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1

Each equation is followed by the values of the variable. Decide whether these values are the solutions to that equation.

9m = 81, m = 3, 9, – 3

 1

Each equation is followed by the values of the variable. Decide whether these values are the solutions to that equation.

2 a + 4 = 0, a = 2, – 2, 1

 1

Each equation is followed by the values of the variable. Decide whether these values are the solutions to that equation.

3 – y = 4, y = – 1, 1, 2

 2

Solve the following equations

17p – 2 = 49