Pertanyaan di gambar .... pliss tolong jawab besok mau di kumpulkan Dgn caranya..

4.
2x + 10 = 70
2x = 70-10
2x = 60
x = 60/2
x = 30

5.
4x + 58 + 3x + 73 = 180
7x = 180 - 73 - 58
7x = 49
x = 49/7
x = 7

semoga bermanfaat :))