8x-21=18x+5

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Solution for 8x-21=18x+5 equation:


Simplifying
8x + -21 = 18x + 5

Reorder the terms:
-21 + 8x = 18x + 5

Reorder the terms:
-21 + 8x = 5 + 18x

Solving
-21 + 8x = 5 + 18x

Solving for variable 'x'.

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

Add '-18x' to each side of the equation.
-21 + 8x + -18x = 5 + 18x + -18x

Combine like terms: 8x + -18x = -10x
-21 + -10x = 5 + 18x + -18x

Combine like terms: 18x + -18x = 0
-21 + -10x = 5 + 0
-21 + -10x = 5

Add '21' to each side of the equation.
-21 + 21 + -10x = 5 + 21

Combine like terms: -21 + 21 = 0
0 + -10x = 5 + 21
-10x = 5 + 21

Combine like terms: 5 + 21 = 26
-10x = 26

Divide each side by '-10'.
x = -2.6

Simplifying
x = -2.6

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