Answer:
a. -40x + 24
b. x = 4
Explanation:
-8 * 5x = 40x, -8 * -3 = 24
-5 * -x = 5x
-5 * 4 = -20
40 - 20 = 20
20/5 = 4
the top one would be -40x+24, bottom one is x=12
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