90=50-2t

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Solution for 90=50-2t equation:


Simplifying
90 = 50 + -2t

Solving
90 = 50 + -2t

Solving for variable 't'.

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

Add '2t' to each side of the equation.
90 + 2t = 50 + -2t + 2t

Combine like terms: -2t + 2t = 0
90 + 2t = 50 + 0
90 + 2t = 50

Add '-90' to each side of the equation.
90 + -90 + 2t = 50 + -90

Combine like terms: 90 + -90 = 0
0 + 2t = 50 + -90
2t = 50 + -90

Combine like terms: 50 + -90 = -40
2t = -40

Divide each side by '2'.
t = -20

Simplifying
t = -20

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