lillian4184 lillian4184

12-10-2021
Mathematics

contestada

If 15% of 4x is 20 less than x, what is the value of x?

Respuesta :

AlgebraicAardvark AlgebraicAardvark

12-10-2021

The sentence "15% of 4x is 20 less than x"

translates to 0.15 • (4x) = x – 20

Solving that…

0.15(4x) = x - 20 multiplipy 0.15•4

0.6x = x - 20 subtract x from both sides

-0.4x = - 20 divide both sides by -0.4

x = 50

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