-7x-2(-2x-9)=51

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Solution for -7x-2(-2x-9)=51 equation:


Simplifying
-7x + -2(-2x + -9) = 51

Reorder the terms:
-7x + -2(-9 + -2x) = 51
-7x + (-9 * -2 + -2x * -2) = 51
-7x + (18 + 4x) = 51

Reorder the terms:
18 + -7x + 4x = 51

Combine like terms: -7x + 4x = -3x
18 + -3x = 51

Solving
18 + -3x = 51

Solving for variable 'x'.

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

Add '-18' to each side of the equation.
18 + -18 + -3x = 51 + -18

Combine like terms: 18 + -18 = 0
0 + -3x = 51 + -18
-3x = 51 + -18

Combine like terms: 51 + -18 = 33
-3x = 33

Divide each side by '-3'.
x = -11

Simplifying
x = -11

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