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Katyanochek1 [597]
2 years ago
6

7x+1=8x+3 Please help I did it but it said my answer was wrong

Mathematics
2 answers:
sweet-ann [11.9K]2 years ago
8 0

I did some math and i got this

x = -2

Artyom0805 [142]2 years ago
7 0

Hello.

In order to solve the equation, we need to isolate x.

First, subtract 1 from both sides:

\mathrm{7x+1-1=8x+3-1}

\mathrm{7x=8x+2}

Now, subtract 8x from both sides:

\mathrm{7x-8x=8x-8x+2}

\mathrm{7x-8x=2}

\mathrm{-x=2}

Now, the minus sign is the same as -1.

In order to isolate x, we need to multiply both sides by -1:

\mathrm{x=-2}

Therefore, the answer is

\mathrm{x=-2}

I hope it helps.

Have a nice day.

\boxed{imperturbability}

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