7x-2(.5)=20

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Solution for 7x-2(.5)=20 equation:


Simplifying
7x + -2(0.5) = 20

Multiply -2 * 0.5
7x + -1 = 20

Reorder the terms:
-1 + 7x = 20

Solving
-1 + 7x = 20

Solving for variable 'x'.

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

Add '1' to each side of the equation.
-1 + 1 + 7x = 20 + 1

Combine like terms: -1 + 1 = 0
0 + 7x = 20 + 1
7x = 20 + 1

Combine like terms: 20 + 1 = 21
7x = 21

Divide each side by '7'.
x = 3

Simplifying
x = 3

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