-2(t-5)-(t+8)=9

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Solution for -2(t-5)-(t+8)=9 equation:


Simplifying
-2(t + -5) + -1(t + 8) = 9

Reorder the terms:
-2(-5 + t) + -1(t + 8) = 9
(-5 * -2 + t * -2) + -1(t + 8) = 9
(10 + -2t) + -1(t + 8) = 9

Reorder the terms:
10 + -2t + -1(8 + t) = 9
10 + -2t + (8 * -1 + t * -1) = 9
10 + -2t + (-8 + -1t) = 9

Reorder the terms:
10 + -8 + -2t + -1t = 9

Combine like terms: 10 + -8 = 2
2 + -2t + -1t = 9

Combine like terms: -2t + -1t = -3t
2 + -3t = 9

Solving
2 + -3t = 9

Solving for variable 't'.

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

Add '-2' to each side of the equation.
2 + -2 + -3t = 9 + -2

Combine like terms: 2 + -2 = 0
0 + -3t = 9 + -2
-3t = 9 + -2

Combine like terms: 9 + -2 = 7
-3t = 7

Divide each side by '-3'.
t = -2.333333333

Simplifying
t = -2.333333333

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