22+4X-12=7X-21

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Solution for 22+4X-12=7X-21 equation:


Simplifying
22 + 4X + -12 = 7X + -21

Reorder the terms:
22 + -12 + 4X = 7X + -21

Combine like terms: 22 + -12 = 10
10 + 4X = 7X + -21

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

Solving
10 + 4X = -21 + 7X

Solving for variable 'X'.

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

Add '-7X' to each side of the equation.
10 + 4X + -7X = -21 + 7X + -7X

Combine like terms: 4X + -7X = -3X
10 + -3X = -21 + 7X + -7X

Combine like terms: 7X + -7X = 0
10 + -3X = -21 + 0
10 + -3X = -21

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

Combine like terms: 10 + -10 = 0
0 + -3X = -21 + -10
-3X = -21 + -10

Combine like terms: -21 + -10 = -31
-3X = -31

Divide each side by '-3'.
X = 10.33333333

Simplifying
X = 10.33333333

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