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8x + 1 = -8 - X
Answer? Please

2 Answers

4 votes

Answer:


\boxed{\sf x = - 1}

Explanation:


\sf Solve \: for \: x: \\ \sf \implies 8x + 1 = - 8 - x \\ \\ \sf Add \: x \: to \: both \: sides: \\ \sf \implies 8x + x + 1 = - 8 + (x - x ) \\ \\ \sf x - x = 0 : \\ \sf \implies 8x +x + 1 = - 8 \\ \\ \sf 8x + x = 9x : \\ \sf \implies 9x + 1 = - 8 \\ \\ \sf Subtract \: 1 \: from \: both \: sides: \\ \sf \implies 9x + (1 - 1 )= - 8 - 1 \\ \\ \sf 1 - 1 = 0 : \\ \sf \implies 9x = - 8 - 1 \\ \\ \sf - 8 - 1 : \\ \sf \implies 9x = - 9 \\ \\ \sf Divide \: both \: sides \: of \: 9 x = 9 \: by \: 9: \\ \sf \implies (9x)/(9) = - (9)/(9) \\ \\ \sf (9)/(9) = 1 : \\ \sf \implies x = - 1

User BaptisteB
by
5.2k points
7 votes

Answer:


x = -1

Explanation:

-Solve for
x :


8x + 1 = -8 - x

-Add both side by
x :


8x + 1 + x = -8 - x + x


9x + 1 = -8

-Subtract both sides by
1 :


9x + 1 - 1 = -8 - 1


9x = -9

-Divide both sides by
9 :


(9x)/(9) = (-9)/(9)


x = -1

So, the value of
x is
-1.

User Ramanujam Allam
by
5.7k points