exam Maths Puzzle Numerical Ability

hey

is 6-2(5-y)=6-10+2y true or false?

thanks

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exam Other Question

the length of two pieces of wire are in the ratio 4:7.if the lenght of the longer piece is 3.5m, what is the length of the shorter piece? PLEASE HELP:
FIND THE MIDPOINT OF THE LINE SEGMENT WITH ENDPOINTS (-4,8) AND (7,2)