21-7x=10+4x

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


Simplifying
21 + -7x = 10 + 4x

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

Combine like terms: -7x + -4x = -11x
21 + -11x = 10 + 4x + -4x

Combine like terms: 4x + -4x = 0
21 + -11x = 10 + 0
21 + -11x = 10

Add '-21' to each side of the equation.
21 + -21 + -11x = 10 + -21

Combine like terms: 21 + -21 = 0
0 + -11x = 10 + -21
-11x = 10 + -21

Combine like terms: 10 + -21 = -11
-11x = -11

Divide each side by '-11'.
x = 1

Simplifying
x = 1

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