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antiseptic1488 [7]
3 years ago
14

2x+30=5x+9 Solve for x O 6 0 -7 O -6 What’s the answer please?

Mathematics
2 answers:
dmitriy555 [2]3 years ago
5 0

\text {Hey! Let's Solve this Equation!}

\text {\underline {The First Step is to Subtract 2x}}

\text {2x+30-5x=5x+9-5x}

\text {Your New Problem Is: -3x+30=9}

\text {\underline {The Next Step is to Subtract 30}}

\text {3x+30-30=9-30}

\text {Your New Problem Is: -3x=-21}

\text {\underline {The Final Step is to Divide -3}}

\text {-3x/-3=-21/-3}

\text {Your Answer Would Be:}

\fbox {x=7}

\text {Best of Luck!}

Maksim231197 [3]3 years ago
4 0

Answer:

7

Step-by-step explanation:

get the x on the same side.

subtract 2x from both sides

30=3x+9

then get the variables on one side by themselves. subtract 9 from both sides.

21=3x

now divide by 3 on both sides.

there's your answer.

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