-7.5=t(.8)+.5(9.8)(.8*.8)

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Solution for -7.5=t(.8)+.5(9.8)(.8*.8) equation:


Simplifying
-7.5 = t(0.8) + 0.5(9.8)(0.8 * 0.8)

Reorder the terms for easier multiplication:
-7.5 = 0.8t + 0.5(9.8)(0.8 * 0.8)

Multiply 0.8 * 0.8
-7.5 = 0.8t + 0.5 * 9.8(0.64)

Multiply 0.5 * 9.8
-7.5 = 0.8t + 4.9 * 0.64

Multiply 4.9 * 0.64
-7.5 = 0.8t + 3.136

Reorder the terms:
-7.5 = 3.136 + 0.8t

Solving
-7.5 = 3.136 + 0.8t

Solving for variable 't'.

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

Add '-0.8t' to each side of the equation.
-7.5 + -0.8t = 3.136 + 0.8t + -0.8t

Combine like terms: 0.8t + -0.8t = 0.0
-7.5 + -0.8t = 3.136 + 0.0
-7.5 + -0.8t = 3.136

Add '7.5' to each side of the equation.
-7.5 + 7.5 + -0.8t = 3.136 + 7.5

Combine like terms: -7.5 + 7.5 = 0.0
0.0 + -0.8t = 3.136 + 7.5
-0.8t = 3.136 + 7.5

Combine like terms: 3.136 + 7.5 = 10.636
-0.8t = 10.636

Divide each side by '-0.8'.
t = -13.295

Simplifying
t = -13.295

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