9-t-3(t-3)=

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Solution for 9-t-3(t-3)= equation:


Simplifying
9 + -1t + -3(t + -3) = 0

Reorder the terms:
9 + -1t + -3(-3 + t) = 0
9 + -1t + (-3 * -3 + t * -3) = 0
9 + -1t + (9 + -3t) = 0

Reorder the terms:
9 + 9 + -1t + -3t = 0

Combine like terms: 9 + 9 = 18
18 + -1t + -3t = 0

Combine like terms: -1t + -3t = -4t
18 + -4t = 0

Solving
18 + -4t = 0

Solving for variable 't'.

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

Add '-18' to each side of the equation.
18 + -18 + -4t = 0 + -18

Combine like terms: 18 + -18 = 0
0 + -4t = 0 + -18
-4t = 0 + -18

Combine like terms: 0 + -18 = -18
-4t = -18

Divide each side by '-4'.
t = 4.5

Simplifying
t = 4.5

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