174k views
1 vote
Razonar ¿Cuál es el primer paso para resolver la
ecuación 3(3x - 5x) + 2 = -8?

User Dickson
by
4.0k points

1 Answer

1 vote
Subtract

1 Simplify
3
x

5
x
3x−5x to

2
x
−2x.
3
×

2
x
+
2
=

8
3×−2x+2=−8

2 Simplify
3
×

2
x
3×−2x to

6
x
−6x.

6
x
+
2
=

8
−6x+2=−8

3 Subtract
2
2 from both sides.

6
x
=

8

2
−6x=−8−2

4 Simplify

8

2
−8−2 to

10
−10.

6
x
=

10
−6x=−10

5 Divide both sides by

6
−6.
x
=

10

6
x=
−6
−10



6 Two negatives make a positive.
x
=
10
6
x=
6
10



7 Simplify
10
6
6
10

to
5
3
3
5

.
x
=
5
3
x=
3
5



User Irperez
by
4.4k points