3x+(4-7x)=15

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Solution for 3x+(4-7x)=15 equation:


Simplifying
3x + (4 + -7x) = 15

Remove parenthesis around (4 + -7x)
3x + 4 + -7x = 15

Reorder the terms:
4 + 3x + -7x = 15

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

Solving
4 + -4x = 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 + -4x = 15 + -4

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

Combine like terms: 15 + -4 = 11
-4x = 11

Divide each side by '-4'.
x = -2.75

Simplifying
x = -2.75

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