ALG-03 · No solution or infinitely many solutions

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ALG-03 · Algebra

No solution or infinitely many solutions

Linear equations and formulas · Stage 2

Recognize the pattern

Simplify both sides; an identity is true for every allowed x.

Useful ruleax+b=ax+c

Build on: ALG-01

Try it before reading the solution

How many solutions does 2(x + 3) = 2x + 6 have?

This teaching example is original and is not an official SAT question.

Reasoning

The left side becomes 2x + 6, exactly the right side.

Answer

Infinitely many solutions

Ready for adaptive practice

Practice questions remain in English, as on the SAT.

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