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What is the solution set of the following equation? -8x + x + 15 = -7x + 12 Ø {all reals} {1/7}
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5 votes
What is the solution set of the following equation?

-8x + x + 15 = -7x + 12

Ø
{all reals}
{1/7}

User Kkgarg
by
4.5k points

2 Answers

1 vote
Answer is no solution ∅

Step by step

-8x + x + 15 = -7x + 12

Add 7x to both sides to combine variables

-8x + x + 7x + 15 = -7x + 7x + 12

Combine like terms

15 = 12

These do not equal so no solution ∅
User Augusto Dias Noronha
by
4.2k points
3 votes

The solution set of the equation is Ø.

User SWa
by
4.1k points
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