30=si+2*t

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Solution for 30=si+2*t equation:


Simplifying
30 = si + 2t

Solving
30 = is + 2t

Solving for variable 'i'.

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

Add '-1is' to each side of the equation.
30 + -1is = is + -1is + 2t

Combine like terms: is + -1is = 0
30 + -1is = 0 + 2t
30 + -1is = 2t

Add '-30' to each side of the equation.
30 + -30 + -1is = -30 + 2t

Combine like terms: 30 + -30 = 0
0 + -1is = -30 + 2t
-1is = -30 + 2t

Divide each side by '-1s'.
i = 30s-1 + -2s-1t

Simplifying
i = 30s-1 + -2s-1t

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