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evablogger [386]
2 years ago
5

Solve the following linear equation: 3(2x + 12) = 2(2x - 10)

Mathematics
2 answers:
sattari [20]2 years ago
7 0
Hey! I decided to write it for you.
Step 1: Distribute
Step 2: Move the x to one side by simplifying
Step 3: Take a way 36 from both sides
Step 4: Divide and simplify

Pachacha [2.7K]2 years ago
3 0
Answer: x = -28

Step-by-Step Explanation:

3(2x + 12) = 2(2x - 10)
3 * 2x + 3 * 12 = 2 * 2x - 2 * 10
6x + 36 = 2 * 2x - 2 * 10
6x + 36 = 4x - 20
6x - 4x + 36 = -20
2x + 36 = -20
2x = -20 - 36
2x = -56
x = -56/2
=> x = -28

Therefore, x = -28
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(a)x=128 degrees

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(a) Now:

\angle AOD=2 \times \angle ABD$ (Angle at the centre is twice the  angle at the circumference)\\x=2 \times 64^\circ\\x=128^\circ

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2 years ago
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