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3x x 3
---- - --- = ----
4 3 1
mmc = 12
9x 4x 36
--- - --- = -----
12 12 12
Simplifique os denominadores
9x - 4x = 36
5x = 36
x = 36/5
===================================
x x 3
--- - --- = ---
4 6 1 mmc = 12
3x 2x 36
--- - --- = ---
12 12 12 simplifique os denominadores
3x - 2x = 36
x = 36
---- - --- = ----
4 3 1
mmc = 12
9x 4x 36
--- - --- = -----
12 12 12
Simplifique os denominadores
9x - 4x = 36
5x = 36
x = 36/5
===================================
x x 3
--- - --- = ---
4 6 1 mmc = 12
3x 2x 36
--- - --- = ---
12 12 12 simplifique os denominadores
3x - 2x = 36
x = 36
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