7x/20-3x/10=40

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Solution for 7x/20-3x/10=40 equation: 


x in (-oo:+oo)

(7*x)/20-((3*x)/10) = 40 // - 40

(7*x)/20-((3*x)/10)-40 = 0

(7*x)/20+(-3/10)*x-40 = 0

1/20*x-40 = 0 // + 40

1/20*x = 40 // : 1/20

x = 40/1/20

x = 800

x = 800

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