-4(t-9)-(t+6)=9

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Solution for -4(t-9)-(t+6)=9 equation:


Simplifying
-4(t + -9) + -1(t + 6) = 9

Reorder the terms:
-4(-9 + t) + -1(t + 6) = 9
(-9 * -4 + t * -4) + -1(t + 6) = 9
(36 + -4t) + -1(t + 6) = 9

Reorder the terms:
36 + -4t + -1(6 + t) = 9
36 + -4t + (6 * -1 + t * -1) = 9
36 + -4t + (-6 + -1t) = 9

Reorder the terms:
36 + -6 + -4t + -1t = 9

Combine like terms: 36 + -6 = 30
30 + -4t + -1t = 9

Combine like terms: -4t + -1t = -5t
30 + -5t = 9

Solving
30 + -5t = 9

Solving for variable 't'.

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

Add '-30' to each side of the equation.
30 + -30 + -5t = 9 + -30

Combine like terms: 30 + -30 = 0
0 + -5t = 9 + -30
-5t = 9 + -30

Combine like terms: 9 + -30 = -21
-5t = -21

Divide each side by '-5'.
t = 4.2

Simplifying
t = 4.2

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