Tolong dibantu,,buat besok

A) 2(x + (3x + 1)) = 74

b) 2(4x + 1) = 74
=> 8x + 2 = 74
=> 8x = 72
=> x = 8
maka, panjang = x
panjang = 8
lebar = 3x + 1
lebar = 3(8) + 1 = 24 + 1 = 25

c) L = p x l = 8 x 25 = 200cm²