5x+6=10x-21

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Solution for 5x+6=10x-21 equation:


Simplifying
5x + 6 = 10x + -21

Reorder the terms:
6 + 5x = 10x + -21

Reorder the terms:
6 + 5x = -21 + 10x

Solving
6 + 5x = -21 + 10x

Solving for variable 'x'.

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

Add '-10x' to each side of the equation.
6 + 5x + -10x = -21 + 10x + -10x

Combine like terms: 5x + -10x = -5x
6 + -5x = -21 + 10x + -10x

Combine like terms: 10x + -10x = 0
6 + -5x = -21 + 0
6 + -5x = -21

Add '-6' to each side of the equation.
6 + -6 + -5x = -21 + -6

Combine like terms: 6 + -6 = 0
0 + -5x = -21 + -6
-5x = -21 + -6

Combine like terms: -21 + -6 = -27
-5x = -27

Divide each side by '-5'.
x = 5.4

Simplifying
x = 5.4

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