40=7t-12t

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Solution for 40=7t-12t equation:


Simplifying
40 = 7t + -12t

Combine like terms: 7t + -12t = -5t
40 = -5t

Solving
40 = -5t

Solving for variable 't'.

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

Add '5t' to each side of the equation.
40 + 5t = -5t + 5t

Combine like terms: -5t + 5t = 0
40 + 5t = 0

Add '-40' to each side of the equation.
40 + -40 + 5t = 0 + -40

Combine like terms: 40 + -40 = 0
0 + 5t = 0 + -40
5t = 0 + -40

Combine like terms: 0 + -40 = -40
5t = -40

Divide each side by '5'.
t = -8

Simplifying
t = -8

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