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which could be the first step in sloving the equation 2.5x + 1.2 = 1.2x + 4.2


A. add 4.2 to each side

B. divide both sides by 1.2x

C. add 2.5x to each side

D. subtract 1.2 from both sides

Respuesta :

Fingynium894
Answer: D

Explanation: Since you're trying to isolate x, you would either subtract 1.2x from both sides or subtract 1.2 from both sides. Since there is not an option to subtract 1.2x from both sides, the answer would be D.

Answer:

D. subtract 1.2 from both sides

Step-by-step explanation:

It is the subtraction property of equality.

[tex]2.5x = 1.2x + 4.2 - 1.2 \\ 2.5x = 1.2x + 3[/tex]