-213=-5x+3(7x+-7)

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Solution for -213=-5x+3(7x+-7) equation:


Simplifying
-213 = -5x + 3(7x + -7)

Reorder the terms:
-213 = -5x + 3(-7 + 7x)
-213 = -5x + (-7 * 3 + 7x * 3)
-213 = -5x + (-21 + 21x)

Reorder the terms:
-213 = -21 + -5x + 21x

Combine like terms: -5x + 21x = 16x
-213 = -21 + 16x

Solving
-213 = -21 + 16x

Solving for variable 'x'.

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

Add '-16x' to each side of the equation.
-213 + -16x = -21 + 16x + -16x

Combine like terms: 16x + -16x = 0
-213 + -16x = -21 + 0
-213 + -16x = -21

Add '213' to each side of the equation.
-213 + 213 + -16x = -21 + 213

Combine like terms: -213 + 213 = 0
0 + -16x = -21 + 213
-16x = -21 + 213

Combine like terms: -21 + 213 = 192
-16x = 192

Divide each side by '-16'.
x = -12

Simplifying
x = -12

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