7 = 16 - 8x7 = 16 - 8x7 - 16 = -8x-9 = -8xx = -9 / -8x = 9 / 8x = 1.125
x - 470 = 310 - 165x - 470 = 145x = 145 + 470x = 615
Ответ: x₁ = 1.125, x₂ = 615.
7 = 16 - 8x
7 = 16 - 8x
7 - 16 = -8x
-9 = -8x
x = -9 / -8
x = 9 / 8
x = 1.125
x - 470 = 310 - 165
x - 470 = 145
x = 145 + 470
x = 615
Ответ: x₁ = 1.125, x₂ = 615.