Mathematics, 17.10.2019 12:10, B1GPAP1

First answer is brainiest answer quick i have 5 minutes don't waste time first answer is brainiest answer quick i have 5 minutes don't waste time first answer is brainiest answer quick i have 5 minute

what is the value of x when -3x + 7x = -12?

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First answer is brainiest answer quick i have 5 minutes don't waste time first answer is brainiest a...