Stoick1 Stoick1

25-10-2015
Mathematics

contestada

What is -7=3x-1 what is x and please go through the steps of solving

Respuesta :

25-10-2015

You said that    -7 = 3x - 1

Add ' 1 ' to each side:    -6 = 3x

Divide each side by 3 : -2 =   x

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angiefx26 angiefx26

25-10-2015

add one to each side so... -7+1=3x-1+1.. the ones cross out so... -6=3x
divide each side by three to isolate x so.... -6/3=3x/3 the threes cross out so.. -2=x
the answer is -2=x

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