Question

5x - 9 = 7x + 6 - 2x

Answer 1

x=15

Explanation:

5x-9=7x+6-2x

7x-2x=5x

5x-9=5x+6

5x-5x=x

x-9=6

9+6=15

x=15

Answer 2

Explanation:

5

x

−

9

=

7

x

+

6

−

2

x

Since

x

is on the right side of the equation, switch the sides so it is on the left side of the equation.

7

x

+

6

−

2

x

=

5

x

−

9

Subtract

2

x

from

7

x

.

5

x

+

6

=

5

x

−

9

Move all terms containing

x

to the left side of the equation.

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6

=

−

9

Since

6

≠

−

9

, there are no solutions.

No solution