18-4t*0.5=20

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Solution for 18-4t*0.5=20 equation:


Simplifying
18 + -4t * 0.5 = 20

Reorder the terms for easier multiplication:
18 + -4 * 0.5t = 20

Multiply -4 * 0.5
18 + -2t = 20

Solving
18 + -2t = 20

Solving for variable 't'.

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

Add '-18' to each side of the equation.
18 + -18 + -2t = 20 + -18

Combine like terms: 18 + -18 = 0
0 + -2t = 20 + -18
-2t = 20 + -18

Combine like terms: 20 + -18 = 2
-2t = 2

Divide each side by '-2'.
t = -1

Simplifying
t = -1

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