-(-1-8t)=-(-7t-9)

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Solution for -(-1-8t)=-(-7t-9) equation:


Simplifying
-1(-1 + -8t) = -1(-7t + -9)
(-1 * -1 + -8t * -1) = -1(-7t + -9)
(1 + 8t) = -1(-7t + -9)

Reorder the terms:
1 + 8t = -1(-9 + -7t)
1 + 8t = (-9 * -1 + -7t * -1)
1 + 8t = (9 + 7t)

Solving
1 + 8t = 9 + 7t

Solving for variable 't'.

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

Add '-7t' to each side of the equation.
1 + 8t + -7t = 9 + 7t + -7t

Combine like terms: 8t + -7t = 1t
1 + 1t = 9 + 7t + -7t

Combine like terms: 7t + -7t = 0
1 + 1t = 9 + 0
1 + 1t = 9

Add '-1' to each side of the equation.
1 + -1 + 1t = 9 + -1

Combine like terms: 1 + -1 = 0
0 + 1t = 9 + -1
1t = 9 + -1

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

Divide each side by '1'.
t = 8

Simplifying
t = 8

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