when x = -2 find the value: (a) 2 (4x-1) + 4(2x+1)
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2(4*-2-1) + 4(2*-2+1)
2 (-8-1) + 4(-4+1)
2(-9) + 4(-3)
-18+-12
-18-12
= -30
2 (-8-1) + 4(-4+1)
2(-9) + 4(-3)
-18+-12
-18-12
= -30
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