Solve the equation x plus 8 equals 17.
Ax=25
Bx=8
Cx=9
Dx=17
Answer & Solution
Correct answer: C. x=9
1. To isolate x, subtract 8 from both sides using the Subtraction Property of Equality.
2. x plus 8 minus 8 equals 17 minus 8.
3. Simplify both sides: x equals 9.
_Source: OpenStax Prealgebra (CC BY 4.0), Ch 2 "The Language of Algebra", section 2.3 Solving Equations Using the Subtraction and Addition Properties of Equality_
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