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52 = 2(3x-5) + 2(x+3)
52 = 6x-10 + 2x + 6
52 = 8x - 4
8x = 56
x = 7
a) Panjang
3x-5
3(7)-5
21-5
16 cm
b) lebar
x+3
7+3
10 cm
Pnjg dan lebarnya 16 cm dan 10 cm
Mhn maaf apabila ada kesalahan