(7x+2)-(3x-5)=15

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Solution for (7x+2)-(3x-5)=15 equation:


Simplifying
(7x + 2) + -1(3x + -5) = 15

Reorder the terms:
(2 + 7x) + -1(3x + -5) = 15

Remove parenthesis around (2 + 7x)
2 + 7x + -1(3x + -5) = 15

Reorder the terms:
2 + 7x + -1(-5 + 3x) = 15
2 + 7x + (-5 * -1 + 3x * -1) = 15
2 + 7x + (5 + -3x) = 15

Reorder the terms:
2 + 5 + 7x + -3x = 15

Combine like terms: 2 + 5 = 7
7 + 7x + -3x = 15

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

Solving
7 + 4x = 15

Solving for variable 'x'.

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

Add '-7' to each side of the equation.
7 + -7 + 4x = 15 + -7

Combine like terms: 7 + -7 = 0
0 + 4x = 15 + -7
4x = 15 + -7

Combine like terms: 15 + -7 = 8
4x = 8

Divide each side by '4'.
x = 2

Simplifying
x = 2

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