7x-4(20-x)=3

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Solution for 7x-4(20-x)=3 equation:


Simplifying
7x + -4(20 + -1x) = 3
7x + (20 * -4 + -1x * -4) = 3
7x + (-80 + 4x) = 3

Reorder the terms:
-80 + 7x + 4x = 3

Combine like terms: 7x + 4x = 11x
-80 + 11x = 3

Solving
-80 + 11x = 3

Solving for variable 'x'.

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

Add '80' to each side of the equation.
-80 + 80 + 11x = 3 + 80

Combine like terms: -80 + 80 = 0
0 + 11x = 3 + 80
11x = 3 + 80

Combine like terms: 3 + 80 = 83
11x = 83

Divide each side by '11'.
x = 7.545454545

Simplifying
x = 7.545454545

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