It is -8x.
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4
-2x + 4 < 10 -4 -4 --------------------- -2x < 10 --- ---- (divide) -2x -2x ---------------- -x > -5 (switch the sign when you divide by a negative) Hope that helps :)
log(2) + log(4) = log(2x)log(2 times 4) = log(2x)2 times 4 = 2 times 'x'x = 4
-64 : 2x(-16) = 2
No. If x = -2, then y = -(2x) -(+6) = -2*(-2) - 6 = +4 - 6 = -2