Answer:
x = -10
x = 7
Explanation:
a)
2(x+3) = x - 4
2x + 6 = x -4
x + 6 = -4
b)
4(5x-2) = 2(9x+3)
20x-8 = 18x + 6
2x-8 = 6
2x = 14
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