Advertisements
Advertisements
प्रश्न
Add 7y, −9y
उत्तर
Required sum = 7y +(−9y)
= (7-9)y = -2y
APPEARS IN
संबंधित प्रश्न
Write the given equation in statement form:
`m/5 = 3`
Set up an equation in the following case:
The teacher tells the class that the highest marks obtained by a student in her class is twice the lowest marks plus 7. The highest score is 87. (Take the lowest score to be l.)
Simplify:
−2(x2 − y2 + xy) −3(x2 + y2 − xy)
Verify by substitution that the root of \[\frac{z}{7} = 8\]
Solve the following equation by the trial-and-error method: `x/3`= 4
Solve the following equation and verify the answer:
Write 'T' for true and 'F' for false for the statement given below:
−3xy2z is a monomial.
Write the following statement in the form of the equation:
The sum of three times x and 11 is 32.
The shifting of a number from one side of an equation to other is called ______.
State which of the following are equations (with a variable). Give reason for your answer. Identify the variable from the equations with a variable.
20 = 5y
