8+7x-4=20

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Solution for 8+7x-4=20 equation:


Simplifying
8 + 7x + -4 = 20

Reorder the terms:
8 + -4 + 7x = 20

Combine like terms: 8 + -4 = 4
4 + 7x = 20

Solving
4 + 7x = 20

Solving for variable 'x'.

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

Add '-4' to each side of the equation.
4 + -4 + 7x = 20 + -4

Combine like terms: 4 + -4 = 0
0 + 7x = 20 + -4
7x = 20 + -4

Combine like terms: 20 + -4 = 16
7x = 16

Divide each side by '7'.
x = 2.285714286

Simplifying
x = 2.285714286

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