Solve for T_2
T_{2}=y+1
Solve for y
y=T_{2}-1
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2T_{2}-y-2=y
Swap sides so that all variable terms are on the left hand side.
2T_{2}-2=y+y
Add y to both sides.
2T_{2}-2=2y
Combine y and y to get 2y.
2T_{2}=2y+2
Add 2 to both sides.
\frac{2T_{2}}{2}=\frac{2y+2}{2}
Divide both sides by 2.
T_{2}=\frac{2y+2}{2}
Dividing by 2 undoes the multiplication by 2.
T_{2}=y+1
Divide 2+2y by 2.
y+y=2T_{2}-2
Add y to both sides.
2y=2T_{2}-2
Combine y and y to get 2y.
\frac{2y}{2}=\frac{2T_{2}-2}{2}
Divide both sides by 2.
y=\frac{2T_{2}-2}{2}
Dividing by 2 undoes the multiplication by 2.
y=T_{2}-1
Divide -2+2T_{2} by 2.
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