7x-4=143

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Solution for 7x-4=143 equation: 


Simplifying
7x + -4 = 143

Reorder the terms:
-4 + 7x = 143

Solving
-4 + 7x = 143

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 = 143 + 4

Combine like terms: -4 + 4 = 0
0 + 7x = 143 + 4
7x = 143 + 4

Combine like terms: 143 + 4 = 147
7x = 147

Divide each side by '7'.
x = 21

Simplifying
x = 21

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