Solving Equations Lesson - 搜索视频

$Equation with variables on both sides: fractions$

Khan AcademySal Khan,Monterey Institute for Technology and Education

Equation with variables on both sides: fractions

To solve the equation (3/4)x + 2 = (3/8)x - 4, we first eliminate fractions by multiplying both sides by the least common multiple of the denominators. Then, we add or subtract terms from both sides of the equation to group the x-terms on one side and the constants on the other. Finally, we solve and check as normal.

2011年2月20日

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