(3/x)-{(x-7)/2}
-4.(-x+10)=(4x+60):2
can you reduce this matrix to rref: row 1 = 3, 2, 2, -5; row 2 = 1, -2, 1, -2; row 3 = -2, 3, -2, 4
Lee is y years old.
Toby is 8 years younger than Lee.
The sum of their ages is less than 41.
(a) Write down in terms of y, ...
8½-3⅝
(-2)^-6 * (-2)^8 * (-2)^2
£82.71 divided by 10%
evaluate 7/8 showing the steps
7/8
4\left(2x-3\right)\ +6\left(3x-4\right)
