2(5x-4)-6=3x+21

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Solution for 2(5x-4)-6=3x+21 equation:


Simplifying
2(5x + -4) + -6 = 3x + 21

Reorder the terms:
2(-4 + 5x) + -6 = 3x + 21
(-4 * 2 + 5x * 2) + -6 = 3x + 21
(-8 + 10x) + -6 = 3x + 21

Reorder the terms:
-8 + -6 + 10x = 3x + 21

Combine like terms: -8 + -6 = -14
-14 + 10x = 3x + 21

Reorder the terms:
-14 + 10x = 21 + 3x

Solving
-14 + 10x = 21 + 3x

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
-14 + 10x + -3x = 21 + 3x + -3x

Combine like terms: 10x + -3x = 7x
-14 + 7x = 21 + 3x + -3x

Combine like terms: 3x + -3x = 0
-14 + 7x = 21 + 0
-14 + 7x = 21

Add '14' to each side of the equation.
-14 + 14 + 7x = 21 + 14

Combine like terms: -14 + 14 = 0
0 + 7x = 21 + 14
7x = 21 + 14

Combine like terms: 21 + 14 = 35
7x = 35

Divide each side by '7'.
x = 5

Simplifying
x = 5

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