Advertisements
Advertisements
प्रश्न
Simplify:
4x − (3y − x + 2z)
उत्तर
4x − (3y − x + 2z)
Here, '−' sign precedes the parenthesis. So, we will remove it and change the sign of each term within the parenthesis.
= 4x − 3y + x − 2z
= 5x − 3y − 2z
APPEARS IN
संबंधित प्रश्न
Complete the last column of the table.
Equation | Value | Say, whether the Equation is Satisfied. (Yes/No) |
5x = 25 | x = -5 |
Solve the following equation by the trial-and-error method: 4x = 28
Solve the following equation by the trial-and-error method: 2x − 3 = 9
Five times the price of a pen is Rs 17 more than three times its price. Find the price of the pen.
Kanta has p pencils in her box. She puts q more pencils in the box. The total number of pencils with her are ______.
State which of the following are equations (with a variable). Give reason for your answer. Identify the variable from the equations with a variable.
`4/2` = 2
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
Pick out the solution from the values given in the bracket next to each equation. Show that the other values do not satisfy the equation.
5m = 60 (10, 5, 12, 15)
Pick out the solution from the values given in the bracket next to each equation. Show that the other values do not satisfy the equation.
`"q"/2 = 7` (7, 2, 10, 14)
Pick out the solution from the values given in the bracket next to each equation. Show that the other values do not satisfy the equation.
x + 4 = 2 (− 2, 0, 2, 4)