Answer:
-1.26
Explanation:
15x+40=21
15x=-19
x=-19/15
x= -1.26
w= -19/15 = -1.267
-5(-3w - 8) = 21
(-5 * -3w ) + 40 = 21
15w +40 = 21
15w = 21-40
15w = -19
w = -19 /15 = -1.267
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