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

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

Multiply 7 * 21
-5 + 24x = 147(5 + 3x)
-5 + 24x = (5 * 147 + 3x * 147)
-5 + 24x = (735 + 441x)

Solving
-5 + 24x = 735 + 441x

Solving for variable 'x'.

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

Add '-441x' to each side of the equation.
-5 + 24x + -441x = 735 + 441x + -441x

Combine like terms: 24x + -441x = -417x
-5 + -417x = 735 + 441x + -441x

Combine like terms: 441x + -441x = 0
-5 + -417x = 735 + 0
-5 + -417x = 735

Add '5' to each side of the equation.
-5 + 5 + -417x = 735 + 5

Combine like terms: -5 + 5 = 0
0 + -417x = 735 + 5
-417x = 735 + 5

Combine like terms: 735 + 5 = 740
-417x = 740

Divide each side by '-417'.
x = -1.774580336

Simplifying
x = -1.774580336

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