7x+21+3x=2

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Solution for 7x+21+3x=2 equation:


Simplifying
7x + 21 + 3x = 2

Reorder the terms:
21 + 7x + 3x = 2

Combine like terms: 7x + 3x = 10x
21 + 10x = 2

Solving
21 + 10x = 2

Solving for variable 'x'.

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

Add '-21' to each side of the equation.
21 + -21 + 10x = 2 + -21

Combine like terms: 21 + -21 = 0
0 + 10x = 2 + -21
10x = 2 + -21

Combine like terms: 2 + -21 = -19
10x = -19

Divide each side by '10'.
x = -1.9

Simplifying
x = -1.9

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