Question

Solve the following and verify its answer. 15 (x - 4) - 2 (x+3) - 3(x + 8) = 0 ​

Answer 1

15 (x - 4) - 2 (x + 3) - 3 (x + 8) = 0 ​

15x - 60 - 2x - 6 - 3x - 24 = 0

15x - 2x - 3x - 60 - 6 - 24 = 0

10x - 90 = 0

10x = 90

x = 90/10

x = 9

Verification :-

15 (x - 4) - 2 (x + 3) - 3 (x + 8) = 0 ​

Substitute 9 in the place of x.

= 15 (9 - 4) - 2 (9 + 3) - 3 (9 + 8)

= 15 (5) - 2 (12) - 3 (17)

= 0

•°• Hence, verified.

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