3x+15+4(x-1)=

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Solution for 3x+15+4(x-1)= equation:


Simplifying
3x + 15 + 4(x + -1) = 0

Reorder the terms:
3x + 15 + 4(-1 + x) = 0
3x + 15 + (-1 * 4 + x * 4) = 0
3x + 15 + (-4 + 4x) = 0

Reorder the terms:
15 + -4 + 3x + 4x = 0

Combine like terms: 15 + -4 = 11
11 + 3x + 4x = 0

Combine like terms: 3x + 4x = 7x
11 + 7x = 0

Solving
11 + 7x = 0

Solving for variable 'x'.

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

Add '-11' to each side of the equation.
11 + -11 + 7x = 0 + -11

Combine like terms: 11 + -11 = 0
0 + 7x = 0 + -11
7x = 0 + -11

Combine like terms: 0 + -11 = -11
7x = -11

Divide each side by '7'.
x = -1.571428571

Simplifying
x = -1.571428571

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