5(x+3)-4x=-21

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Solution for 5(x+3)-4x=-21 equation:


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

Reorder the terms:
5(3 + x) + -4x = -21
(3 * 5 + x * 5) + -4x = -21
(15 + 5x) + -4x = -21

Combine like terms: 5x + -4x = 1x
15 + 1x = -21

Solving
15 + 1x = -21

Solving for variable 'x'.

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

Add '-15' to each side of the equation.
15 + -15 + 1x = -21 + -15

Combine like terms: 15 + -15 = 0
0 + 1x = -21 + -15
1x = -21 + -15

Combine like terms: -21 + -15 = -36
1x = -36

Divide each side by '1'.
x = -36

Simplifying
x = -36

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