Respuesta :
-42=6(1 + 5a) + 8(4a - 6)
-42= 6 + 30a+32a - 48
-42= 54 + 62a
12 = 62a
0.194=a
Hope it helps! :)
Step 1: Simplify both sides of the equation.
−
42
=
6
(
1
+
5
a
)
+
8
(
4
a
−
6
)
−
42
=
(
6
)
(
1
)
+
(
6
)
(
5
a
)
+
(
8
)
(
4
a
)
+
(
8
)
(
−
6
)
(Distribute)
−
42
=
6
+
30
a
+
32
a
+
−
48
−
42
=
(
30
a
+
32
a
)
+
(
6
+
−
48
)
(Combine Like Terms)
−
42
=
62
a
+
−
42
−
42
=
62
a
−
42
Step 2: Flip the equation.
62
a
−
42
=
−
42
Step 3: Add 42 to both sides.
62
a
−
42
+
42
=
−
42
+
42
62
a
=
0
Step 4: Divide both sides by 62.
62
a
62
=
0
62
a
=
0
Answer:
a
=
0
−
42
=
6
(
1
+
5
a
)
+
8
(
4
a
−
6
)
−
42
=
(
6
)
(
1
)
+
(
6
)
(
5
a
)
+
(
8
)
(
4
a
)
+
(
8
)
(
−
6
)
(Distribute)
−
42
=
6
+
30
a
+
32
a
+
−
48
−
42
=
(
30
a
+
32
a
)
+
(
6
+
−
48
)
(Combine Like Terms)
−
42
=
62
a
+
−
42
−
42
=
62
a
−
42
Step 2: Flip the equation.
62
a
−
42
=
−
42
Step 3: Add 42 to both sides.
62
a
−
42
+
42
=
−
42
+
42
62
a
=
0
Step 4: Divide both sides by 62.
62
a
62
=
0
62
a
=
0
Answer:
a
=
0