Question

Solve for x: 10(3 – x) – 4(x + 10) = 20​

Answer 1

Answer:

$10(3 - x) - 4(x + 10) = 20 \\ 30 - 10x - 4x - 40 = 20 \\ - 10x - 4x = 20 + 40 - 30 \\ - 14x = 60 - 30 \\ - 14x = 30 \\ x = \frac{ 30}{ - 14} \\ x = \frac{ \cancel{30}}{ - \cancel{14}} = \frac{ - 15}{7}$

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Answer 2

Answer:

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