Question

x/3-x/5+2x/7-3x/4=7/2 Solve linear equations and check the result​

Answer 1

Answer:

-1470/139

Step-by-step explanation:

x/3-x/5+2x/7-3x/4 = 7/2

140x-84x+120x-315x whole divided by 420 = 7/2

-139x/420 = 7/2

-139x × 2 = 420 × 7

x = 420 × 7 whole divided by 12 × (-139)

x = -1470/139

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