-7(t+9)-(t+2)=3

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Solution for -7(t+9)-(t+2)=3 equation:


Simplifying
-7(t + 9) + -1(t + 2) = 3

Reorder the terms:
-7(9 + t) + -1(t + 2) = 3
(9 * -7 + t * -7) + -1(t + 2) = 3
(-63 + -7t) + -1(t + 2) = 3

Reorder the terms:
-63 + -7t + -1(2 + t) = 3
-63 + -7t + (2 * -1 + t * -1) = 3
-63 + -7t + (-2 + -1t) = 3

Reorder the terms:
-63 + -2 + -7t + -1t = 3

Combine like terms: -63 + -2 = -65
-65 + -7t + -1t = 3

Combine like terms: -7t + -1t = -8t
-65 + -8t = 3

Solving
-65 + -8t = 3

Solving for variable 't'.

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

Add '65' to each side of the equation.
-65 + 65 + -8t = 3 + 65

Combine like terms: -65 + 65 = 0
0 + -8t = 3 + 65
-8t = 3 + 65

Combine like terms: 3 + 65 = 68
-8t = 68

Divide each side by '-8'.
t = -8.5

Simplifying
t = -8.5

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