exam Maths Puzzle Numerical Ability

Can you show me how to simplify or solve for "x" in the following equations?

3(x+2)=-2(x+4)



2(x+1)=4-3(2x+1)



2(x+1)-3(x+7)=2



-3.6x+3.1=3(5.2-1.2x)


I would appreciate the help! Thank You =)

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exam Other Question

jim is now three times as old as kathy.
Four years ago, jim was seven times as old as kathy then.
find their present ages.

PLEASE HELP ME SOLVE THIS!

and can you show work!
the modulus or absolute value of a complex numbers:

if z2=4+3i and z2=-2+3i what is /z1/ and /z2/?