Earths diameter is 7917.5 and the moons diameter is 2157.4. how far is the sun

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?

Does anyone know how to do geometryme with this problem

I’m really confused and need your assist me with this question i’ve never been taught