4-(3x+7)=9

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Solution for 4-(3x+7)=9 equation:


Simplifying
4 + -1(3x + 7) = 9

Reorder the terms:
4 + -1(7 + 3x) = 9
4 + (7 * -1 + 3x * -1) = 9
4 + (-7 + -3x) = 9

Combine like terms: 4 + -7 = -3
-3 + -3x = 9

Solving
-3 + -3x = 9

Solving for variable 'x'.

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

Add '3' to each side of the equation.
-3 + 3 + -3x = 9 + 3

Combine like terms: -3 + 3 = 0
0 + -3x = 9 + 3
-3x = 9 + 3

Combine like terms: 9 + 3 = 12
-3x = 12

Divide each side by '-3'.
x = -4

Simplifying
x = -4

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