Can someone pls help me ?

I’ll give brainliest!!!

Ily begins solving the equation 4(x – 1) – x = 3(x + 5) – 11. her work is shown below. 4(x – 1) – x = 3(x + 5) – 11 4x – 4 – x = 3x + 15 – 11 3x – 4 = 3x + 4 how can her partial solution be interpreted?

Is it true that product of 3 consecutive natural numbers is always divisible by 6? justifyyour answer

The equation x2 – 1x – 90 = 0 has solutions {a, b}. what is a + b?