I'm not too good at algebra, but doesn't U+I = 69?

I'm not too good at algebra, but doesn't U+I = 69?

383 good / 143 bad

I heard you're good in algebra, can you replace my X without asking Y

1478 good / 506 bad

My love for you is like dividing by zero, it cannot be defined.

167 good / 50 bad

I want our love to be like pi, irrational and never ending.

153 good / 48 bad

If you were a triangle you'd be acute one.

107 good / 35 bad

I wish I was your differential because then I'd be touching all your curves.

135 good / 79 bad

You must be √(-1), ’cause you can’t be real.

105 good / 51 bad

You are the solution to all of my equations.

77 good / 49 bad

I'd like to plug my solution into your equation.

55 good / 32 bad