21x+35-8=16x+40-7x+5

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Solution for 21x+35-8=16x+40-7x+5 equation:


Simplifying
21x + 35 + -8 = 16x + 40 + -7x + 5

Reorder the terms:
35 + -8 + 21x = 16x + 40 + -7x + 5

Combine like terms: 35 + -8 = 27
27 + 21x = 16x + 40 + -7x + 5

Reorder the terms:
27 + 21x = 40 + 5 + 16x + -7x

Combine like terms: 40 + 5 = 45
27 + 21x = 45 + 16x + -7x

Combine like terms: 16x + -7x = 9x
27 + 21x = 45 + 9x

Solving
27 + 21x = 45 + 9x

Solving for variable 'x'.

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

Add '-9x' to each side of the equation.
27 + 21x + -9x = 45 + 9x + -9x

Combine like terms: 21x + -9x = 12x
27 + 12x = 45 + 9x + -9x

Combine like terms: 9x + -9x = 0
27 + 12x = 45 + 0
27 + 12x = 45

Add '-27' to each side of the equation.
27 + -27 + 12x = 45 + -27

Combine like terms: 27 + -27 = 0
0 + 12x = 45 + -27
12x = 45 + -27

Combine like terms: 45 + -27 = 18
12x = 18

Divide each side by '12'.
x = 1.5

Simplifying
x = 1.5

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