Advertisements
Advertisements
Question
Solve the following equation and check your result:
8x + 4 = 3(x − 1) + 7
Advertisements
Solution
8x + 4 = 3(x − 1) + 7
8x + 4 = 3x − 3 + 7
Transposing 3x to L.H.S and 4 to R.H.S, we obtain
8x − 3x = − 3 + 7 − 4
5x = − 7 + 7
x = 0
L.H.S = 8x + 4
= 8 × (0) + 4
= 4
R.H.S = 3(x − 1) + 7
= 3 (0 − 1) + 7
= − 3 + 7
= 4
L.H.S. = R.H.S.
Hence, the result obtained above is correct.
APPEARS IN
RELATED QUESTIONS
Solve the following equation and check your result:
2x − 1 = 14 − x
On subtracting 8 from x, the result is 2. The value of x is ______.
9 is subtracted from the product of p and 4, the result is 11. The value of p is ______.
If `x/3 + 1 = 7/15`, then `x/3 = 6/15`
Solve the following:
`(2x - 3)/(4x + 5) = 1/3`
Solve the following:
`8/x = 5/(x - 1)`
Solve the following:
0.4(3x – 1) = 0.5x + 1
Solve the following:
`(2x - 1)/5 = (3x + 1)/3`
Solve the following:
`(3t - 2)/3 + (2t + 3)/2 = t + 7/6`
Solve the following:
4(3p + 2) – 5(6p – 1) = 2(p – 8) – 6(7p – 4)
