silvialiang2332 silvialiang2332

07-09-2017
Mathematics

contestada

If the sum of twice a number and -3 is multiplied by 4, the number is 28. what is the number

Respuesta :

kphung76127 kphung76127

07-09-2017

(2x-3)*4=28

Disribute
8x-12=28

Add 12 to both sides
8x=40

Divide both sides by 8
x=5

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