10x-7=21-4x

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Solution for 10x-7=21-4x equation:


Simplifying
10x + -7 = 21 + -4x

Reorder the terms:
-7 + 10x = 21 + -4x

Solving
-7 + 10x = 21 + -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.
-7 + 10x + 4x = 21 + -4x + 4x

Combine like terms: 10x + 4x = 14x
-7 + 14x = 21 + -4x + 4x

Combine like terms: -4x + 4x = 0
-7 + 14x = 21 + 0
-7 + 14x = 21

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

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

Combine like terms: 21 + 7 = 28
14x = 28

Divide each side by '14'.
x = 2

Simplifying
x = 2

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