(t+1)+(t+8)=45

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Solution for (t+1)+(t+8)=45 equation:


Simplifying
(t + 1) + (t + 8) = 45

Reorder the terms:
(1 + t) + (t + 8) = 45

Remove parenthesis around (1 + t)
1 + t + (t + 8) = 45

Reorder the terms:
1 + t + (8 + t) = 45

Remove parenthesis around (8 + t)
1 + t + 8 + t = 45

Reorder the terms:
1 + 8 + t + t = 45

Combine like terms: 1 + 8 = 9
9 + t + t = 45

Combine like terms: t + t = 2t
9 + 2t = 45

Solving
9 + 2t = 45

Solving for variable 't'.

Move all terms containing t to the left, all other terms to the right.

Add '-9' to each side of the equation.
9 + -9 + 2t = 45 + -9

Combine like terms: 9 + -9 = 0
0 + 2t = 45 + -9
2t = 45 + -9

Combine like terms: 45 + -9 = 36
2t = 36

Divide each side by '2'.
t = 18

Simplifying
t = 18

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