Tìm x, biết: 5(x + 4) – 3(x – 2) = x 5(x + 4) – 3(x – 2) = x 5x + 20 – 3x + 6 = x 2x + 26 = x
Giải thích
5(x + 4) – 3(x – 2) = x
5x + 20 – 3x + 6 = x
2x + 26 = x
2x – x = -26
x= - 26
5(x + 4) – 3(x – 2) = x
5x + 20 – 3x + 6 = x
2x + 26 = x
2x – x = -26
x= - 26