tolong di jawab nomor 41 sampai 44 tolong pakai cara kerja ya

41.
2a+7 = 19
2a = 19-7
2a = 12
a = 12÷2
a = 6

42.
2x-3 = 5
2x = 5+3
2x = 8
x = 4

43.
4x-3y = 11-3y
4x-3y+3y = 11
4x = 11
x = 11/4

44.
1/3x-5 = 10
1/3x = 10+5
1/3x = 15
x = 15 ÷ 3
x = 5

maaf kalau ada yang salah, semoga membantu