7-2(x+4)=9

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


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

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

Combine like terms: 7 + -8 = -1
-1 + -2x = 9

Solving
-1 + -2x = 9

Solving for variable 'x'.

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

Add '1' to each side of the equation.
-1 + 1 + -2x = 9 + 1

Combine like terms: -1 + 1 = 0
0 + -2x = 9 + 1
-2x = 9 + 1

Combine like terms: 9 + 1 = 10
-2x = 10

Divide each side by '-2'.
x = -5

Simplifying
x = -5

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