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Anonymous
To solve 4x+3-x=4x-32 we use the additive property of equaility and add -3 to both sidesSo 4x-x=4x-32-3Simplify this by now subtracting 4x from both sides.-x=-35 or x=35Check it.3-35=-32 so it works.
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5x - 4x = 13 - 3 ie x = 10
x=3
4x+3/3=y
If: 20x+5y = 15 Then: y = -4x+3
Simplify 4x + 3 = 2x + 8 2x = 5 x =2½