-4(4x+7)=-21

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Solution for -4(4x+7)=-21 equation:


Simplifying
-4(4x + 7) = -21

Reorder the terms:
-4(7 + 4x) = -21
(7 * -4 + 4x * -4) = -21
(-28 + -16x) = -21

Solving
-28 + -16x = -21

Solving for variable 'x'.

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

Add '28' to each side of the equation.
-28 + 28 + -16x = -21 + 28

Combine like terms: -28 + 28 = 0
0 + -16x = -21 + 28
-16x = -21 + 28

Combine like terms: -21 + 28 = 7
-16x = 7

Divide each side by '-16'.
x = -0.4375

Simplifying
x = -0.4375

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