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What is 2/3(9+x)=-5(4-x)

User Rotman
by
4.3k points

2 Answers

6 votes

Answer:

x=78

Explanation:

2/3(9+x)=-5(4-x)

6+2/3=-20+x

6=-20+1/3x

x=78

User Sean Wei
by
4.4k points
2 votes

Answer:

x=6

Explanation:

Distribute.

2/3 * 9 = 6

2/3 * x = 2/3x

Distribute other side.

-5*4 = -20

-5 * -x = 5x

Rewrite.

6 + 2/3x = -20 + 5x

Subtract 5x from both sides.

-13/3x + 6 = -20

Subtract 6 from both sides.

-13/3x = -26

Multiply -3/13 to both sides.

x=6

User Xonal
by
4.0k points