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26 votes
26 votes
5 + 4x - 2x = 8x + 11 + 12

Explain step by step PLEASE

User Onur Bebin
by
2.3k points

1 Answer

11 votes
11 votes
Simplify
5
+
4
x

2
x
5+4x−2x to
5
+
2
x
5+2x.
5
+
2
x
=
8
x
+
11
+
12
5+2x=8x+11+12

2 Simplify
8
x
+
11
+
12
8x+11+12 to
8
x
+
23
8x+23.
5
+
2
x
=
8
x
+
23
5+2x=8x+23

3 Subtract
5
5 from both sides.
2
x
=
8
x
+
23

5
2x=8x+23−5

4 Simplify
8
x
+
23

5
8x+23−5 to
8
x
+
18
8x+18.
2
x
=
8
x
+
18
2x=8x+18

5 Subtract
8
x
8x from both sides.
2
x

8
x
=
18
2x−8x=18

6 Simplify
2
x

8
x
2x−8x to

6
x
−6x.

6
x
=
18
−6x=18

7 Divide both sides by

6
−6.
x
=

18
6
x=−
6
18



8 Simplify
18
6
6
18

to
3
3.
x
=

3
x=−3
User Nikolasleblanc
by
3.0k points