Solve the equation algebraically. Answer as a reduced fraction only.
4
(
−
10
x
−
4
)
−
9
=
−
7
+
12
(
x
+
1
)
\displaystyle {4}{\left(-{10}{x}-{4}\right)}-{9}=-{7}+{12}{\left({x}+{1}\right)}
4
(
−
10
x
−
4
)
−
9
=
−
7
+
12
(
x
+
1
)
x
=
\displaystyle {x}=
x
=
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\displaystyle
Enter your answer as a reduced fraction (like 5/3, not 10/6) or as an integer (like 4 or -2)
Do not enter mixed numbers
Enter DNE for Does Not Exist, oo for Infinity