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प्रश्न
Add 2xy, 5xy, −xy
उत्तर
Required sum = 2xy +5xy + (−xy)
= (2+5-1)xy = 6xy
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संबंधित प्रश्न
Check whether the value given in the bracket is a solution to the given equation or not:
4p − 3 = 13 (p = 0)
Write equation for the following statement:
Three-fourth of t is 15.
Simplify:
3 − [x − {2y − (5x + y − 3) + 2x2} − (x2 − 3y)]
Write the following statement as an equation:
A number increased by 8 equals 15.
Verify by substitution that the root of 8 − 7y = 1 is y = 1
Solve the following equation and verify the answer:
`x/4-8=1`
If x = 1, y = 2 and z = 3, find the value of x2 + y2 + 2xyz.
Write 'T' for true and 'F' for false for the statement given below:
2x + 3 = 5 is a linear equation.
Write 'T' for true and 'F' for false for the statement given below:
The coefficient of x in 5xy is 5.
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.
p − 5 = 5 (0, 10, 5, − 5)
