Presumably this is a simultaneous equation question in the form of:
4x-y = 32
4x+5y = -16
Subtract the bottom equation from the top equation remembering that a -- is equal to a + so 32--16 is +40 and that -+5y-y is -6y:
-6y = 48
Divide both sides by -6 to find the value of y:
y = -8
Substitute the value of y into the original equations to find the value of x:
So: x = 6 and y = -8
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32 plus 16 equals 48.
16-9+32=16
27a + 16 = ba = 32(27 x 32) + 16 = b864 + 16 = bb = 880
4x+32=-4x+16x4x+32=12x-4x -4x32=8x/8 /84=x
You plug in the values of x and y and solve 12x + 16y = ? 12(1) + 16(2) = 12 + 32 = 44