please answer these both questions (with solution)
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1) x = 180-2y
therefore, x-180=-2y
y = (180 - x)/2
y = 90 - x/2
therefore, x-180=-2y
y = (180 - x)/2
y = 90 - x/2
shamimcalculus1234:
therfore, 2y + 25 = x+15
then, x = 2y+10
y= (x-10)/2
then, substitute the values
(3x-30)/2 = (2x-20)/2+25
that is , 4x + 60 = 6x-60
x = 60
thanx
correct?
yes
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