12, x+7=19, 18, x−5=13, 8, 3x=24, 7, 3x−9=12, -3, 3x−5=−14, 5, 10x+3=53, 4, 7x−4=24, -6, 6x+9=−27, -2, 10x+5=−15, 3, 5x−7=8.

Solving two step equations

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