Solve for x: 2x+5=3(x+2)
-1
3
1
-2
2x+5=3(x+2)
⇒2x+5=3x+6
⇒2x−3x=6−5
⇒−x=1
⇒x=−1
Question 13
The equation having -3 as the solution is
(a) x + 3 = 1
(b) 8 + 2x = 3
(c) 10 + 3x = 1
(d) 2x + 1 = 3
Find the L.C.M. of 6x2−x−1, 3x2+7x+2 and 2x2+3x−2
Solve the following for x : 12a+b+2x=12a+1b+12x