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ser-zykov [4K]
3 years ago
8

What is x? -3(2x-7)+5=2x-9

Mathematics
2 answers:
vitfil [10]3 years ago
4 0

Answer:

x=4.375

Step-by-step explanation:

-3(2x-7)+5=2x-9

-6x+21+5=2x-9

-6x+26=2x-9

-6x-2x+26=2x-2x-9

-8x+26=-9

-8x+26-26=-9-26

-8x=-35

-8x/-8=-35/-8

x=4.375

True [87]3 years ago
3 0

Answer: 35/8     or     4\frac{3}{8}

<u>Simplify each term</u>

<u></u>-3(2x)-3-7+5=2x-9<u></u>

<u></u>-6x-3-7+5=2x-9<u></u>

<u></u>-6x+21+5=2x-9<u></u>

<u></u>-6x+26=2x-9<u></u>

<u></u>

<u>Move all terms containing x to the left side of the equation</u>

<u></u>-6x+26-2x=-9<u></u>

<u></u>-8x+26=-9<u></u>

<u></u>

<u>Move all terms not containing x to the right side of the equation.</u>

<u></u>-8x=-9-26<u></u>

<u></u>-8x=-35<u></u>

<u></u>

<u>Divide each term by − 8 and simplify.</u>

<u></u>-8x/-8=-35/-8<u></u>

<u></u>

<u>Note</u>

Dividing 2 negative will give you a positive answer.

x=35/8

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