7(5x-14x+25-28)=420

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Solution for 7(5x-14x+25-28)=420 equation:


Simplifying
7(5x + -14x + 25 + -28) = 420

Reorder the terms:
7(25 + -28 + 5x + -14x) = 420

Combine like terms: 25 + -28 = -3
7(-3 + 5x + -14x) = 420

Combine like terms: 5x + -14x = -9x
7(-3 + -9x) = 420
(-3 * 7 + -9x * 7) = 420
(-21 + -63x) = 420

Solving
-21 + -63x = 420

Solving for variable 'x'.

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

Add '21' to each side of the equation.
-21 + 21 + -63x = 420 + 21

Combine like terms: -21 + 21 = 0
0 + -63x = 420 + 21
-63x = 420 + 21

Combine like terms: 420 + 21 = 441
-63x = 441

Divide each side by '-63'.
x = -7

Simplifying
x = -7

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