Answer:
[tex]t=-1[/tex]
Step-by-step explanation:
[tex]-4=2t-2[/tex]
[tex]2t-2=-4[/tex]
Add 2 to both sides:
[tex]\longmapsto2t-2+2=-4+2[/tex]
[tex]\longmapsto2t=-2[/tex]
Divide both sides by 2:
[tex]\longmapsto\frac{2t}{2}=\frac{-2}{2}[/tex]
[tex]\longmapsto t=-1[/tex]
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