7[3-(-2x-6)]=98x+315

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Solution for 7[3-(-2x-6)]=98x+315 equation:


Simplifying
7[3 + -1(-2x + -6)] = 98x + 315

Reorder the terms:
7[3 + -1(-6 + -2x)] = 98x + 315
7[3 + (-6 * -1 + -2x * -1)] = 98x + 315
7[3 + (6 + 2x)] = 98x + 315

Combine like terms: 3 + 6 = 9
7[9 + 2x] = 98x + 315
[9 * 7 + 2x * 7] = 98x + 315
[63 + 14x] = 98x + 315

Reorder the terms:
63 + 14x = 315 + 98x

Solving
63 + 14x = 315 + 98x

Solving for variable 'x'.

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

Add '-98x' to each side of the equation.
63 + 14x + -98x = 315 + 98x + -98x

Combine like terms: 14x + -98x = -84x
63 + -84x = 315 + 98x + -98x

Combine like terms: 98x + -98x = 0
63 + -84x = 315 + 0
63 + -84x = 315

Add '-63' to each side of the equation.
63 + -63 + -84x = 315 + -63

Combine like terms: 63 + -63 = 0
0 + -84x = 315 + -63
-84x = 315 + -63

Combine like terms: 315 + -63 = 252
-84x = 252

Divide each side by '-84'.
x = -3

Simplifying
x = -3

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