-4(t-3)-(t+7)=9

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Solution for -4(t-3)-(t+7)=9 equation:


Simplifying
-4(t + -3) + -1(t + 7) = 9

Reorder the terms:
-4(-3 + t) + -1(t + 7) = 9
(-3 * -4 + t * -4) + -1(t + 7) = 9
(12 + -4t) + -1(t + 7) = 9

Reorder the terms:
12 + -4t + -1(7 + t) = 9
12 + -4t + (7 * -1 + t * -1) = 9
12 + -4t + (-7 + -1t) = 9

Reorder the terms:
12 + -7 + -4t + -1t = 9

Combine like terms: 12 + -7 = 5
5 + -4t + -1t = 9

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

Solving
5 + -5t = 9

Solving for variable 't'.

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

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

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

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

Divide each side by '-5'.
t = -0.8

Simplifying
t = -0.8

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