exercise 2.3 8 class solve the following equation and check your result 3 x is equal to X + 18
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4
3x = x+18
3x-x = 18
2x = 18
x = 18/2 = 9
check
3x = x +18
3(9) = 9+18
27 = 27 /////
3x-x = 18
2x = 18
x = 18/2 = 9
check
3x = x +18
3(9) = 9+18
27 = 27 /////
Answered by
9
Solution :
3x = x + 18
⇒ 3x - x = 18
⇒ 2x = 18
⇒ x = 18 / 2
⇒ x = 9
CHECK YOUR SOLUTION :
Putting the value of x = 9,
3x = x + 18
⇒ 3 × 9 = 9 + 18
⇒ 27 = 27
LHS = RHS
Hence, the value of x is 9.
3x = x + 18
⇒ 3x - x = 18
⇒ 2x = 18
⇒ x = 18 / 2
⇒ x = 9
CHECK YOUR SOLUTION :
Putting the value of x = 9,
3x = x + 18
⇒ 3 × 9 = 9 + 18
⇒ 27 = 27
LHS = RHS
Hence, the value of x is 9.
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