-8(t-5)-(t+4)=9

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Solution for -8(t-5)-(t+4)=9 equation:


Simplifying
-8(t + -5) + -1(t + 4) = 9

Reorder the terms:
-8(-5 + t) + -1(t + 4) = 9
(-5 * -8 + t * -8) + -1(t + 4) = 9
(40 + -8t) + -1(t + 4) = 9

Reorder the terms:
40 + -8t + -1(4 + t) = 9
40 + -8t + (4 * -1 + t * -1) = 9
40 + -8t + (-4 + -1t) = 9

Reorder the terms:
40 + -4 + -8t + -1t = 9

Combine like terms: 40 + -4 = 36
36 + -8t + -1t = 9

Combine like terms: -8t + -1t = -9t
36 + -9t = 9

Solving
36 + -9t = 9

Solving for variable 't'.

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

Add '-36' to each side of the equation.
36 + -36 + -9t = 9 + -36

Combine like terms: 36 + -36 = 0
0 + -9t = 9 + -36
-9t = 9 + -36

Combine like terms: 9 + -36 = -27
-9t = -27

Divide each side by '-9'.
t = 3

Simplifying
t = 3

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