-7+6X=21+2X

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Solution for -7+6X=21+2X equation:


Simplifying
-7 + 6X = 21 + 2X

Solving
-7 + 6X = 21 + 2X

Solving for variable 'X'.

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

Add '-2X' to each side of the equation.
-7 + 6X + -2X = 21 + 2X + -2X

Combine like terms: 6X + -2X = 4X
-7 + 4X = 21 + 2X + -2X

Combine like terms: 2X + -2X = 0
-7 + 4X = 21 + 0
-7 + 4X = 21

Add '7' to each side of the equation.
-7 + 7 + 4X = 21 + 7

Combine like terms: -7 + 7 = 0
0 + 4X = 21 + 7
4X = 21 + 7

Combine like terms: 21 + 7 = 28
4X = 28

Divide each side by '4'.
X = 7

Simplifying
X = 7

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