7x-(3+x)5=0

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Solution for 7x-(3+x)5=0 equation:


Simplifying
7x + -1(3 + x) * 5 = 0

Reorder the terms for easier multiplication:
7x + -1 * 5(3 + x) = 0

Multiply -1 * 5
7x + -5(3 + x) = 0
7x + (3 * -5 + x * -5) = 0
7x + (-15 + -5x) = 0

Reorder the terms:
-15 + 7x + -5x = 0

Combine like terms: 7x + -5x = 2x
-15 + 2x = 0

Solving
-15 + 2x = 0

Solving for variable 'x'.

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

Add '15' to each side of the equation.
-15 + 15 + 2x = 0 + 15

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

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

Divide each side by '2'.
x = 7.5

Simplifying
x = 7.5

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