21/4-3a-7/4b - solution

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Solution for 21/4-3a-7/4b equation:

x in (-oo:+oo)

21/4-(3*a)-((7/4)*b) = 0

(-7/4)*b-3*a+21/4 = 0

21/4-3*a-7/4*b = 0

x naleu017Cy do R

x in (-oo:+oo)

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