Question: Solve each equation. a. Solve y = 4.7 + 3.2x for y if x = 3. b. Solve y = - 2.5 + 1.6x for

Solve each equation.
a. Solve y = 4.7 + 3.2x for y if x = 3.
b. Solve y = - 2.5 + 1.6x for x if y = 8.
c. Solve y = a - 0.2x for a if x = 1000 and y = - 224.
d. Solve y = 250 + bx for b if x = 960 and y = 10.

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