-7x-3(-7x+14)=28

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Solution for -7x-3(-7x+14)=28 equation:


Simplifying
-7x + -3(-7x + 14) = 28

Reorder the terms:
-7x + -3(14 + -7x) = 28
-7x + (14 * -3 + -7x * -3) = 28
-7x + (-42 + 21x) = 28

Reorder the terms:
-42 + -7x + 21x = 28

Combine like terms: -7x + 21x = 14x
-42 + 14x = 28

Solving
-42 + 14x = 28

Solving for variable 'x'.

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

Add '42' to each side of the equation.
-42 + 42 + 14x = 28 + 42

Combine like terms: -42 + 42 = 0
0 + 14x = 28 + 42
14x = 28 + 42

Combine like terms: 28 + 42 = 70
14x = 70

Divide each side by '14'.
x = 5

Simplifying
x = 5

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