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sarahblyth101
solve for w in P=2w + 2l, if P=38 and l=12
you should take p and I into their places
substitute value of 'p' and the value of 'l'... 38 = 2w + 2 (12) now solve for w...
P = 2w + 2l (when p = 38 and l = 12) sub 38 in for p and 12 in for l P = 2w + 2l 38 = 2w + 2(12) can you work it out from here ?
it's a simple work you need to subtract 2(12) from both side of the equation
it will be like this 38 - 2(12) = 2w + 2(12) - 2(12)