5m Zen
5(4x 3)+12x
5(4x 3)+12x pictures 5
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5(4x 3)+12x
1 4x 3 12x 5
12x 15 3 4x 5
12x 20 3 4x 5
12x 5 4x 3
5(4x-3)+12x-6 simplified
