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To determine if two equations have the same solution, we can solve each equation to find the value of x.
1) 0.64/(-3.2) = x
-0.2 = x
2) x/4 = -0.05
x = -0.05 * 4
x = -0.20
Both equations have the same solution, x = -0.20 or -0.2 (rounded to two decimal places).