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Solve [tex]$y = x + 8$[/tex] for [tex]$x$[/tex].

A. [tex]$x = y + 8$[/tex]
B. [tex][tex]$x = y - 8$[/tex][/tex]
C. [tex]$x = -y + 8$[/tex]
D. [tex]$x = -y - 8$[/tex]


Sagot :

To solve the equation [tex]\( y = x + 8 \)[/tex] for [tex]\( x \)[/tex], we need to isolate [tex]\( x \)[/tex] on one side of the equation. Here are the steps to do this:

1. Start with the given equation:
[tex]\[ y = x + 8 \][/tex]

2. Subtract 8 from both sides of the equation to isolate [tex]\( x \)[/tex]:
[tex]\[ y - 8 = x + 8 - 8 \][/tex]

3. Simplify the right-hand side:
[tex]\[ y - 8 = x \][/tex]

4. Rewrite the equation with [tex]\( x \)[/tex] on the left side to get the final form:
[tex]\[ x = y - 8 \][/tex]

Therefore, the correct answer is:

[tex]\[ x = y - 8 \][/tex]