find the value of 2x + 5y -7 if x = 1 and y = 2. an algebraic expression
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Step-by-step explanation:
The first step when multiplying fractions is to multiply the two numerators. The second step is to multiply the two denominators. Finally, simplify the new fractions. The fractions can also be simplified before multiplying by factoring out common factors in the numerator and denominator
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