625+2(-9.8)(100-x)=v^2

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Solution for 625+2(-9.8)(100-x)=v^2 equation: 


Simplifying
625 + 2(-9.8)(100 + -1x) = v2

Multiply 2 * -9.8
625 + -19.6(100 + -1x) = v2
625 + (100 * -19.6 + -1x * -19.6) = v2
625 + (-1960 + 19.6x) = v2

Combine like terms: 625 + -1960 = -1335
-1335 + 19.6x = v2

Solving
-1335 + 19.6x = v2

Solving for variable 'x'.

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

Add '1335' to each side of the equation.
-1335 + 1335 + 19.6x = 1335 + v2

Combine like terms: -1335 + 1335 = 0
0 + 19.6x = 1335 + v2
19.6x = 1335 + v2

Divide each side by '19.6'.
x = 68.1122449 + 0.05102040816v2

Simplifying
x = 68.1122449 + 0.05102040816v2

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