21x+35-8=4x+10-7x+5

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Solution for 21x+35-8=4x+10-7x+5 equation:


Simplifying
21x + 35 + -8 = 4x + 10 + -7x + 5

Reorder the terms:
35 + -8 + 21x = 4x + 10 + -7x + 5

Combine like terms: 35 + -8 = 27
27 + 21x = 4x + 10 + -7x + 5

Reorder the terms:
27 + 21x = 10 + 5 + 4x + -7x

Combine like terms: 10 + 5 = 15
27 + 21x = 15 + 4x + -7x

Combine like terms: 4x + -7x = -3x
27 + 21x = 15 + -3x

Solving
27 + 21x = 15 + -3x

Solving for variable 'x'.

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

Add '3x' to each side of the equation.
27 + 21x + 3x = 15 + -3x + 3x

Combine like terms: 21x + 3x = 24x
27 + 24x = 15 + -3x + 3x

Combine like terms: -3x + 3x = 0
27 + 24x = 15 + 0
27 + 24x = 15

Add '-27' to each side of the equation.
27 + -27 + 24x = 15 + -27

Combine like terms: 27 + -27 = 0
0 + 24x = 15 + -27
24x = 15 + -27

Combine like terms: 15 + -27 = -12
24x = -12

Divide each side by '24'.
x = -0.5

Simplifying
x = -0.5

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