21x+77+4x+16=8

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Solution for 21x+77+4x+16=8 equation:


Simplifying
21x + 77 + 4x + 16 = 8

Reorder the terms:
77 + 16 + 21x + 4x = 8

Combine like terms: 77 + 16 = 93
93 + 21x + 4x = 8

Combine like terms: 21x + 4x = 25x
93 + 25x = 8

Solving
93 + 25x = 8

Solving for variable 'x'.

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

Add '-93' to each side of the equation.
93 + -93 + 25x = 8 + -93

Combine like terms: 93 + -93 = 0
0 + 25x = 8 + -93
25x = 8 + -93

Combine like terms: 8 + -93 = -85
25x = -85

Divide each side by '25'.
x = -3.4

Simplifying
x = -3.4

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