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3x+1 + x + 2x + x+2 + x+1 = 36
8x + 4 = 36
8x = 36 - 4
8x = 32
x = 32/8
x = 4
Los lados miden:
3x+1 = 3(4) +1 = 12+1 = 13
x = 4
2x = 2(4) = 8
x+2 = 4 +2 = 6
x+1 = 4+1 = 5