alleryStart learning →Solve for x: x + 19 = -27.
Ax = -46
Bx = -8
Cx = 46
Dx = 8
Answer & Solution
Correct answer: A. x = -46
1. To isolate x, undo the addition of 19 by subtracting 19 from both sides.
2. This gives x = -27 - 19.
3. Combine: x = -46.
4. Check: -46 + 19 = -27, a true statement, while x = -8 comes from subtracting the wrong way round.
_Source: OpenStax Elementary Algebra (CC BY 4.0), Ch 2 "Solving Linear Equations and Inequalities", section 2.1 Solve Equations Using the Subtraction and Addition Properties of Equality_
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