-x+3(7)=23

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Solution for -x+3(7)=23 equation:


Simplifying
-1x + 3(7) = 23

Multiply 3 * 7
-1x + 21 = 23

Reorder the terms:
21 + -1x = 23

Solving
21 + -1x = 23

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 + -1x = 23 + -21

Combine like terms: 21 + -21 = 0
0 + -1x = 23 + -21
-1x = 23 + -21

Combine like terms: 23 + -21 = 2
-1x = 2

Divide each side by '-1'.
x = -2

Simplifying
x = -2

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