7(t-2)-8(2t+9)=-10(t+8)-9

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Solution for 7(t-2)-8(2t+9)=-10(t+8)-9 equation:


Simplifying
7(t + -2) + -8(2t + 9) = -10(t + 8) + -9

Reorder the terms:
7(-2 + t) + -8(2t + 9) = -10(t + 8) + -9
(-2 * 7 + t * 7) + -8(2t + 9) = -10(t + 8) + -9
(-14 + 7t) + -8(2t + 9) = -10(t + 8) + -9

Reorder the terms:
-14 + 7t + -8(9 + 2t) = -10(t + 8) + -9
-14 + 7t + (9 * -8 + 2t * -8) = -10(t + 8) + -9
-14 + 7t + (-72 + -16t) = -10(t + 8) + -9

Reorder the terms:
-14 + -72 + 7t + -16t = -10(t + 8) + -9

Combine like terms: -14 + -72 = -86
-86 + 7t + -16t = -10(t + 8) + -9

Combine like terms: 7t + -16t = -9t
-86 + -9t = -10(t + 8) + -9

Reorder the terms:
-86 + -9t = -10(8 + t) + -9
-86 + -9t = (8 * -10 + t * -10) + -9
-86 + -9t = (-80 + -10t) + -9

Reorder the terms:
-86 + -9t = -80 + -9 + -10t

Combine like terms: -80 + -9 = -89
-86 + -9t = -89 + -10t

Solving
-86 + -9t = -89 + -10t

Solving for variable 't'.

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

Add '10t' to each side of the equation.
-86 + -9t + 10t = -89 + -10t + 10t

Combine like terms: -9t + 10t = 1t
-86 + 1t = -89 + -10t + 10t

Combine like terms: -10t + 10t = 0
-86 + 1t = -89 + 0
-86 + 1t = -89

Add '86' to each side of the equation.
-86 + 86 + 1t = -89 + 86

Combine like terms: -86 + 86 = 0
0 + 1t = -89 + 86
1t = -89 + 86

Combine like terms: -89 + 86 = -3
1t = -3

Divide each side by '1'.
t = -3

Simplifying
t = -3

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