222x+4=1100(5)
441x+14(10)=252(7)
44(x+5)-44(5)=52(10)

1.2x^2 + 2x + 2 + 4 = 1*5^3 +1*5^2 { x > 2 }2x^2 + 2x + 6 - 150 = 0x^2 + x - 72 = 0(x + 9)(x - 8) = 0x = 82.4x^2 + 4x + 1 + 14 = 2*7^2 + 5*7 + 2 { x > 4 }4x^2 + 4x + 15 - 135 = 0x^2 + x - 30 = 0(x + 6)(x - 5) = 9x = 53.4(x+5) + 4 - 4*5 - 4 = 52 { x + 5 > 4 -> x > -1}4x + 24 - 24 = 52x = 13