3-(2x+7)=15

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Solution for 3-(2x+7)=15 equation:


Simplifying
3 + -1(2x + 7) = 15

Reorder the terms:
3 + -1(7 + 2x) = 15
3 + (7 * -1 + 2x * -1) = 15
3 + (-7 + -2x) = 15

Combine like terms: 3 + -7 = -4
-4 + -2x = 15

Solving
-4 + -2x = 15

Solving for variable 'x'.

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

Add '4' to each side of the equation.
-4 + 4 + -2x = 15 + 4

Combine like terms: -4 + 4 = 0
0 + -2x = 15 + 4
-2x = 15 + 4

Combine like terms: 15 + 4 = 19
-2x = 19

Divide each side by '-2'.
x = -9.5

Simplifying
x = -9.5

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