Mollianne13 Mollianne13

30-08-2016
Mathematics

contestada

Given the equation and solution , find the missing coefficient.
-6x+7=8x+______
Solution: x= -4

Respuesta :

chindonsang chindonsang

30-08-2016

-6x + 7 = 8x + A

let x = -4
-6(-4) + 7 = 8(-4) + A
24 + 7      = -32 + A
31 + 32    = -32 + 32 + A
63            = 0 + A
A = 63

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