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otez555 [7]
2 years ago
14

3(x-1)=2x+9. Solve equation

Mathematics
2 answers:
Lemur [1.5K]2 years ago
7 0

Answer:

the answer should be -12= 2x

Anna11 [10]2 years ago
5 0

Hello.

In order to solve this equation, we need to isolate the variable (in this case, the variable is x)

The first step is to use the Distributive Property and distribute 3:

\mathrm{3(x-1)=2x+9}

\mathrm{3x-3=2x+9}

Now, add 3 to both sides:

\mathrm{3x-3+3=2x+9+3}

\mathrm{3x=2x+9+3}

\mathrm{3x=2x+12}

Now, subtract 2x from both sides:

\mathrm{3x-2x=2x-2x+12}\\\mathrm{3x-2x=12}

\mathrm{x=12}

Therefore, the answer is

\mathrm{x=12}

I hope it helps.

Have a nice day.

\boxed{imperturbability}

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