exam Maths Puzzle Numerical Ability

Solve.
-4(2x + 1) + 2(4x - 3) = x - 10

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exam Other Question

Please help me with question. I do not understand it at all. Thanks so much for your help.

Find the indicated outputs for f(x)=2xto the second power -2x
f(0)=
f(-1)=
f(2)=

thanks again for the help.
Hello Again!
Can someone help me solve this problem?
/2x-1-x=-2
(/ is the radical sign) the radical sign is only over 2x-1
Thanks in advance for your help!
ac