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german
2 years ago
9

Give the reason for the steps used in solving the equation 3(x - 4) + 5 = 2x - 2(3 - x)

Mathematics
2 answers:
STALIN [3.7K]2 years ago
7 0

3(x - 4) + 5 = 2x - 2(3 - x) \\ 3x - 12 + 5 = 2x - 6 + 2x \\ 3x - 7 = 4x - 6 \\ 3x - 4x - 7 + 6 = 0 \\  - x - 1 = 0 \\ x =  - 1

Please give brainliest

Triss [41]2 years ago
3 0

Answer:

-1

Step-by-step explanation:

Solve

3x - 7 = 4x - 6

3x - 7 + 7 = 4x - 6 + 7

3x = 4x + 1

3x - 4x = 4x + 1 - 4x

-x • 1

-1

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3 years ago
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Answer:

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Step-by-step explanation:

Step 1: A straight line is 180 degrees. So 180 - 100, is 80 degrees. as the opposite angle measurement of the 100 degree.

Step 2: An isosceles triangle has two equal angle measurements, so two of its angles are 80 degrees.

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