(5x+4)-(3+4x)=7

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Solution for (5x+4)-(3+4x)=7 equation:


Simplifying
(5x + 4) + -1(3 + 4x) = 7

Reorder the terms:
(4 + 5x) + -1(3 + 4x) = 7

Remove parenthesis around (4 + 5x)
4 + 5x + -1(3 + 4x) = 7
4 + 5x + (3 * -1 + 4x * -1) = 7
4 + 5x + (-3 + -4x) = 7

Reorder the terms:
4 + -3 + 5x + -4x = 7

Combine like terms: 4 + -3 = 1
1 + 5x + -4x = 7

Combine like terms: 5x + -4x = 1x
1 + 1x = 7

Solving
1 + 1x = 7

Solving for variable 'x'.

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

Add '-1' to each side of the equation.
1 + -1 + 1x = 7 + -1

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

Combine like terms: 7 + -1 = 6
1x = 6

Divide each side by '1'.
x = 6

Simplifying
x = 6

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