3.a)Find X
3.b)Find UVT
Please help me if you actually know it

Simplify 5 square root of 7 end root plus 12 square root of 6 end root minus 10 square root of 7 end root minus 5 square root of 6 . (1 point) 5 square root of 14 end root minus 7 square root of 12 5 square root of 7 end root minus 7 square root of 6 7 square root of 12 end root minus 5 square root of 14 7 square root of 6 end root minus 5 square root of 7

Find the value of x. give reasons to justify your solutions! l, m ∈ kn

What is the solution to this system of equations? y= 2x - 3.5 x - 2y = -14