Answer:
Step-by-step explanation:
Substitution method can be applied in four steps. Step 1: Solve one of the equations for either x = or y = . Step 2: Substitute the solution from step 1 into the other equation. Step 3: Solve this new equation Happy too help!
Last option is correct
x+x+x =3x
Red colour shows value is negative
-1-1 = -2
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The first statement: "Her first mistake was in Step 2. She added 0.2 to each term instead of multiplying by 0.2."
