4x-18=7x-42

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Solution for 4x-18=7x-42 equation:


Simplifying
4x + -18 = 7x + -42

Reorder the terms:
-18 + 4x = 7x + -42

Reorder the terms:
-18 + 4x = -42 + 7x

Solving
-18 + 4x = -42 + 7x

Solving for variable 'x'.

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

Add '-7x' to each side of the equation.
-18 + 4x + -7x = -42 + 7x + -7x

Combine like terms: 4x + -7x = -3x
-18 + -3x = -42 + 7x + -7x

Combine like terms: 7x + -7x = 0
-18 + -3x = -42 + 0
-18 + -3x = -42

Add '18' to each side of the equation.
-18 + 18 + -3x = -42 + 18

Combine like terms: -18 + 18 = 0
0 + -3x = -42 + 18
-3x = -42 + 18

Combine like terms: -42 + 18 = -24
-3x = -24

Divide each side by '-3'.
x = 8

Simplifying
x = 8

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