-3(t-7)-(t+8)=8

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Solution for -3(t-7)-(t+8)=8 equation: 


Simplifying
-3(t + -7) + -1(t + 8) = 8

Reorder the terms:
-3(-7 + t) + -1(t + 8) = 8
(-7 * -3 + t * -3) + -1(t + 8) = 8
(21 + -3t) + -1(t + 8) = 8

Reorder the terms:
21 + -3t + -1(8 + t) = 8
21 + -3t + (8 * -1 + t * -1) = 8
21 + -3t + (-8 + -1t) = 8

Reorder the terms:
21 + -8 + -3t + -1t = 8

Combine like terms: 21 + -8 = 13
13 + -3t + -1t = 8

Combine like terms: -3t + -1t = -4t
13 + -4t = 8

Solving
13 + -4t = 8

Solving for variable 't'.

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

Add '-13' to each side of the equation.
13 + -13 + -4t = 8 + -13

Combine like terms: 13 + -13 = 0
0 + -4t = 8 + -13
-4t = 8 + -13

Combine like terms: 8 + -13 = -5
-4t = -5

Divide each side by '-4'.
t = 1.25

Simplifying
t = 1.25

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