1+7x-4=18

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Solution for 1+7x-4=18 equation: 


Simplifying
1 + 7x + -4 = 18

Reorder the terms:
1 + -4 + 7x = 18

Combine like terms: 1 + -4 = -3
-3 + 7x = 18

Solving
-3 + 7x = 18

Solving for variable 'x'.

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

Add '3' to each side of the equation.
-3 + 3 + 7x = 18 + 3

Combine like terms: -3 + 3 = 0
0 + 7x = 18 + 3
7x = 18 + 3

Combine like terms: 18 + 3 = 21
7x = 21

Divide each side by '7'.
x = 3

Simplifying
x = 3

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