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3 years ago

Is -5 a solution to the equation for 6x + 5 = 5x + 8 + 2x? Explain?

Mathematics

1 answer:

grigory [225]3 years ago

8 0

For this case we have the following equation:

$6x + 5 = 5x + 8 + 2x$

We must find the solution.

We add similar terms from the right side of the equation:

$6x + 5 = 7x + 8$

We subtract 5 from both sides of the equation:

$6x = 7x + 8-5\\6x = 7x + 3$

We subtract 7x on both sides of the equation:

$6x-7x = 3$

Different signs are subtracted and the sign of the major is placed:

$-x = 3$

We multiply by -1 on both sides of the equation: $x = -3$

Thus, the solution of the equation is $x = -3$ . -5 is not a solution to the equation.

Answer:

$x = -3$ . -5 is not a solution to the equation

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