9(t-1)-7t+2=t-12

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Solution for 9(t-1)-7t+2=t-12 equation:


Simplifying
9(t + -1) + -7t + 2 = t + -12

Reorder the terms:
9(-1 + t) + -7t + 2 = t + -12
(-1 * 9 + t * 9) + -7t + 2 = t + -12
(-9 + 9t) + -7t + 2 = t + -12

Reorder the terms:
-9 + 2 + 9t + -7t = t + -12

Combine like terms: -9 + 2 = -7
-7 + 9t + -7t = t + -12

Combine like terms: 9t + -7t = 2t
-7 + 2t = t + -12

Reorder the terms:
-7 + 2t = -12 + t

Solving
-7 + 2t = -12 + t

Solving for variable 't'.

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

Add '-1t' to each side of the equation.
-7 + 2t + -1t = -12 + t + -1t

Combine like terms: 2t + -1t = 1t
-7 + 1t = -12 + t + -1t

Combine like terms: t + -1t = 0
-7 + 1t = -12 + 0
-7 + 1t = -12

Add '7' to each side of the equation.
-7 + 7 + 1t = -12 + 7

Combine like terms: -7 + 7 = 0
0 + 1t = -12 + 7
1t = -12 + 7

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

Divide each side by '1'.
t = -5

Simplifying
t = -5

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