Problem

Is \( (-42,-840) \) a solution to the equation \( y=20 x ? \)

Answer

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Answer

Comparison: True

Steps

Step 1 ：Substitute x and y values: \( -840 = 20(-42) \)

Step 2 ：Calculate: \( -840 = -840 \)

Step 3 ：Comparison: True

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