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Special cases: none or infinite — Homework
Solve completely. If the variable cancels, decide: no solution (false left over) or infinitely many (true left over). Say which and why.
- 1.Solve: 6x + 4 = 6x + 9
- 2.Solve: 5(x + 2) = 5x + 10
- 3.Solve: 3x - 7 = 3x + 1
- 4.Solve: 2(x - 3) + 4 = 2x - 2
- 5.Solve 4x + 10 = 4(x + 3) and explain what it means about the two expressions.
- 6.Two garden-hose rental plans are Plan A = 3 + 2x and Plan B = 2(x + 1.5), where x is hours. Are these ever different prices? Explain using the equation.
🌲 Homeschool of the FutureEighth Grade · Math · week 3 homework