alleryStart learning →Solve: 7x + 5 = 6x + 2.
Ax=-3
Bx=3
Cx=-7
Dx=7
Answer & Solution
Correct answer: A. x=-3
1. Choose the left side as the variable side, so subtract 6x from both sides: x plus 5 equals 2.
2. Subtract 5 from both sides: x equals -3.
3. Check: 7 times -3, plus 5, equals -16, and 6 times -3, plus 2, also equals -16.
_Source: OpenStax Elementary Algebra (CC BY 4.0), Ch 2 "Solving Linear Equations and Inequalities", section 2.3 Solve Equations with Variables and Constants on Both Sides_
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