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7x-130=110+9x. show with steps
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7x-130=110+9x. show with steps

User Nunchucks
by
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2 Answers

2 votes
7x-130=110+9x
-7x -7x
-130=110+2x
-110 -110
-240=2x
2 2
-120=X
User Gusthema
by
5.1k points
3 votes

Answer:

x=-120

Explanation:

7x-130=110+9x

add 130 to both sides of the equation

7x-130+130=110+9x+130

Simplify

7x=9x+240

Subtract 9x from both sides

7x-9x=9x+240-9x

Simplify

-2x=240

divide both sides by -2

-2/-2=240/-2

simplify

x=-120

User Coralvanda
by
6.0k points
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