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

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Solution for (3x+1)-(7x+4)= equation:


Simplifying
(3x + 1) + -1(7x + 4) = 0

Reorder the terms:
(1 + 3x) + -1(7x + 4) = 0

Remove parenthesis around (1 + 3x)
1 + 3x + -1(7x + 4) = 0

Reorder the terms:
1 + 3x + -1(4 + 7x) = 0
1 + 3x + (4 * -1 + 7x * -1) = 0
1 + 3x + (-4 + -7x) = 0

Reorder the terms:
1 + -4 + 3x + -7x = 0

Combine like terms: 1 + -4 = -3
-3 + 3x + -7x = 0

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

Solving
-3 + -4x = 0

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 + -4x = 0 + 3

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

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

Divide each side by '-4'.
x = -0.75

Simplifying
x = -0.75

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