7-2(5x+8)=9

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Solution for 7-2(5x+8)=9 equation:


Simplifying
7 + -2(5x + 8) = 9

Reorder the terms:
7 + -2(8 + 5x) = 9
7 + (8 * -2 + 5x * -2) = 9
7 + (-16 + -10x) = 9

Combine like terms: 7 + -16 = -9
-9 + -10x = 9

Solving
-9 + -10x = 9

Solving for variable 'x'.

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

Add '9' to each side of the equation.
-9 + 9 + -10x = 9 + 9

Combine like terms: -9 + 9 = 0
0 + -10x = 9 + 9
-10x = 9 + 9

Combine like terms: 9 + 9 = 18
-10x = 18

Divide each side by '-10'.
x = -1.8

Simplifying
x = -1.8

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