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Why would you use addition to solve a subtraction equation?
because you undo the operation in the equation= to undo subtraction you add
Which property would you use to solve y 12 -8?
Solving implies you are talking about an equation. Equations must have equal marks in them somewhere. If you mean y + 12 = -8then subtract 8 from both sides of the equation ( or if your teacher is really strict you will be told to add -12 to both sides of the equation, but the same thing happens)y + 12 - 12 = -8 - 12, then on the left and right simplify toy = -20This is called the subtraction property of equality (if you subtract 12) or the addition property of equality (if you add -12)
What property of inequality would you use to solve the equation 14x equals 35?
None. Properties of inequalities are not that relevant when solving equalities.
Which property would you use to solve the equation 3z equals 0.45 for z?
If: 3z = 0.45 Then: z = 0.15 by dividing both sides by 3
Why would you want to simplify an algebraic equation?
Simplifying an equation often helps solve it.
