Solve y=x+8 for x
x=y+8
×=y+-8
x=-y+8
x=-y - 8

y=x+8

Move +8 to the other side. Sign changes from + 8 to -8.

y-8=x+8-8

y-8=x

x=y-8 or x=-8+y

x=y-8 or x=-8+y

B) x=y-8.

Explanation: to solve this problem we need to substract eight from both sides of the equation, in this way we isolate the x, the procedure is shown as follows:

y=x+8

y-8=x+8-8

y-8=x

so the answer is the corresponding to option B:

x=y-8

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answer; george herbert mead;