4x-3(-2)=21

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Solution for 4x-3(-2)=21 equation: 


Simplifying
4x + -3(-2) = 21

Multiply -3 * -2
4x + 6 = 21

Reorder the terms:
6 + 4x = 21

Solving
6 + 4x = 21

Solving for variable 'x'.

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

Add '-6' to each side of the equation.
6 + -6 + 4x = 21 + -6

Combine like terms: 6 + -6 = 0
0 + 4x = 21 + -6
4x = 21 + -6

Combine like terms: 21 + -6 = 15
4x = 15

Divide each side by '4'.
x = 3.75

Simplifying
x = 3.75

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