What is the shortcut key for ‘Centre text

Solve for x: 5x − 7 = 3x + 9

The ratio of roots of an equation

ax²+bx+b = 0 is p : q

Then find, √p/√q + √q/√p + √p/√q ?

For which value of m, there is no solution to the equation -

a – b = 5

ma – 4b = 1

Solve: (x/3) + (x/5) = 16

For given pair of equations, how many solutions are possible?

2x + 3y = 10 and 4x + 5y = 18

The equations 6x + my + 18 = 0 and 9x + 21y + 27 = 0 have a unique solution. Which of the following statements is definitely true?

I. p² - 365 = 364

II. q - √ 529 = √ 169

For given pair of equations, how many solutions are possible?

5x − 2y = 12 and 10x − 4y = 24

3 pens + 5 pencils = ₹49

4 pens + 3 pencils = ₹47

Find cost of one pen.

The ratio of roots of the equation mx² + nx + n = 0 is α/ β = a/b, then find the value of `sqrt(a/b)+sqrt(b/a)+sqrt(n/m)`