3x-5+21x=7(3x+5)+21

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Solution for 3x-5+21x=7(3x+5)+21 equation:


Simplifying
3x + -5 + 21x = 7(3x + 5) + 21

Reorder the terms:
-5 + 3x + 21x = 7(3x + 5) + 21

Combine like terms: 3x + 21x = 24x
-5 + 24x = 7(3x + 5) + 21

Reorder the terms:
-5 + 24x = 7(5 + 3x) + 21
-5 + 24x = (5 * 7 + 3x * 7) + 21
-5 + 24x = (35 + 21x) + 21

Reorder the terms:
-5 + 24x = 35 + 21 + 21x

Combine like terms: 35 + 21 = 56
-5 + 24x = 56 + 21x

Solving
-5 + 24x = 56 + 21x

Solving for variable 'x'.

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

Add '-21x' to each side of the equation.
-5 + 24x + -21x = 56 + 21x + -21x

Combine like terms: 24x + -21x = 3x
-5 + 3x = 56 + 21x + -21x

Combine like terms: 21x + -21x = 0
-5 + 3x = 56 + 0
-5 + 3x = 56

Add '5' to each side of the equation.
-5 + 5 + 3x = 56 + 5

Combine like terms: -5 + 5 = 0
0 + 3x = 56 + 5
3x = 56 + 5

Combine like terms: 56 + 5 = 61
3x = 61

Divide each side by '3'.
x = 20.33333333

Simplifying
x = 20.33333333

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