Alka Tuli and Rajesh Hassija Solutions for Chapter: Simple Linear Equations, Exercise 5: MENTAL MATHS

If $2x+2=2,$ find the value of $x?$

If $3y+6=9,$ find the value of $y$. $$

Does the equation $2x+6 =(x+10)-(4-x)$ have any solution$?$ $$

How many roots will the equation $x^2+2x+4=0$ have$?$

If $m-10=2m-30$, find the value of $m$.

If $a=2b$ and $4a=64,$ what will be the value of $b?$

If one-third of a number is $24$ less than the thrice of the number, find the number.

Find the value of $y$ for which the expression $y-15$ becomes equal to $2y+1.$