asundc86 asundc86

25-01-2020
Mathematics

contestada

-7×-3×=-8×-8
[tex] [/tex]

Respuesta :

25-01-2020

Answer:

x = 4

Step-by-step explanation:

[tex]-7x-3x=-8x-8\\\\-10x=-8x-8\qquad\text{add}\ 8x\ \text{to both sides}\\\\-10x+8x=-8x+8x-8\\\\-2x=-8\qquad\text{divide both sides by (-2)}\\\\\dfrac{-2x}{-2}=\dfrac{-8}{-2}\\\\x=4[/tex]

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