-13=-2(-7x+4)+9

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Solution for -13=-2(-7x+4)+9 equation:


Simplifying
-13 = -2(-7x + 4) + 9

Reorder the terms:
-13 = -2(4 + -7x) + 9
-13 = (4 * -2 + -7x * -2) + 9
-13 = (-8 + 14x) + 9

Reorder the terms:
-13 = -8 + 9 + 14x

Combine like terms: -8 + 9 = 1
-13 = 1 + 14x

Solving
-13 = 1 + 14x

Solving for variable 'x'.

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

Add '-14x' to each side of the equation.
-13 + -14x = 1 + 14x + -14x

Combine like terms: 14x + -14x = 0
-13 + -14x = 1 + 0
-13 + -14x = 1

Add '13' to each side of the equation.
-13 + 13 + -14x = 1 + 13

Combine like terms: -13 + 13 = 0
0 + -14x = 1 + 13
-14x = 1 + 13

Combine like terms: 1 + 13 = 14
-14x = 14

Divide each side by '-14'.
x = -1

Simplifying
x = -1

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