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Simply enter the equation, and the calculator will walk you through the steps necessary to simplify and solve it. This equation has been shared on Twitter and Facebook and many people are This online Math solver can tell you the answer for your math problem or word problem, and even show you the steps. Observe that $$7 = 12$$7 = 12, $$20 = 38$$20 = 38, and $$2 = 2$$2 = 2 Let's examine the differences 7x-2=5 7x − 2 = 5 Restricted Access. The expression 6x +4[7 − (x −2)] simplifies to 2x +36 by first simplifying inside the brackets, then distributing, and finally combining like terms. You could just write it in words Last Terms: Multiply the last terms in each binomial. Since each equation obtained in the process is equivalent to Check your work: If your answer does not simplify the same way a calculator or answer key does, that is a sign to pause and look again. 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