-6x+21+8x+21=4

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Solution for -6x+21+8x+21=4 equation:


Simplifying
-6x + 21 + 8x + 21 = 4

Reorder the terms:
21 + 21 + -6x + 8x = 4

Combine like terms: 21 + 21 = 42
42 + -6x + 8x = 4

Combine like terms: -6x + 8x = 2x
42 + 2x = 4

Solving
42 + 2x = 4

Solving for variable 'x'.

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

Add '-42' to each side of the equation.
42 + -42 + 2x = 4 + -42

Combine like terms: 42 + -42 = 0
0 + 2x = 4 + -42
2x = 4 + -42

Combine like terms: 4 + -42 = -38
2x = -38

Divide each side by '2'.
x = -19

Simplifying
x = -19

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