6x-18=4(x+2.1)

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Solution for 6x-18=4(x+2.1) equation:


Simplifying
6x + -18 = 4(x + 2.1)

Reorder the terms:
-18 + 6x = 4(x + 2.1)

Reorder the terms:
-18 + 6x = 4(2.1 + x)
-18 + 6x = (2.1 * 4 + x * 4)
-18 + 6x = (8.4 + 4x)

Solving
-18 + 6x = 8.4 + 4x

Solving for variable 'x'.

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

Add '-4x' to each side of the equation.
-18 + 6x + -4x = 8.4 + 4x + -4x

Combine like terms: 6x + -4x = 2x
-18 + 2x = 8.4 + 4x + -4x

Combine like terms: 4x + -4x = 0
-18 + 2x = 8.4 + 0
-18 + 2x = 8.4

Add '18' to each side of the equation.
-18 + 18 + 2x = 8.4 + 18

Combine like terms: -18 + 18 = 0
0 + 2x = 8.4 + 18
2x = 8.4 + 18

Combine like terms: 8.4 + 18 = 26.4
2x = 26.4

Divide each side by '2'.
x = 13.2

Simplifying
x = 13.2

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