3x+7(-2)=-21

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Solution for 3x+7(-2)=-21 equation:


Simplifying
3x + 7(-2) = -21

Multiply 7 * -2
3x + -14 = -21

Reorder the terms:
-14 + 3x = -21

Solving
-14 + 3x = -21

Solving for variable 'x'.

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

Add '14' to each side of the equation.
-14 + 14 + 3x = -21 + 14

Combine like terms: -14 + 14 = 0
0 + 3x = -21 + 14
3x = -21 + 14

Combine like terms: -21 + 14 = -7
3x = -7

Divide each side by '3'.
x = -2.333333333

Simplifying
x = -2.333333333

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