-4(2x-3.5)=21

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Solution for -4(2x-3.5)=21 equation:


Simplifying
-4(2x + -3.5) = 21

Reorder the terms:
-4(-3.5 + 2x) = 21
(-3.5 * -4 + 2x * -4) = 21
(14 + -8x) = 21

Solving
14 + -8x = 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 + -8x = 21 + -14

Combine like terms: 14 + -14 = 0
0 + -8x = 21 + -14
-8x = 21 + -14

Combine like terms: 21 + -14 = 7
-8x = 7

Divide each side by '-8'.
x = -0.875

Simplifying
x = -0.875

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