7x-2(x-5)+15=55

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Solution for 7x-2(x-5)+15=55 equation:


Simplifying
7x + -2(x + -5) + 15 = 55

Reorder the terms:
7x + -2(-5 + x) + 15 = 55
7x + (-5 * -2 + x * -2) + 15 = 55
7x + (10 + -2x) + 15 = 55

Reorder the terms:
10 + 15 + 7x + -2x = 55

Combine like terms: 10 + 15 = 25
25 + 7x + -2x = 55

Combine like terms: 7x + -2x = 5x
25 + 5x = 55

Solving
25 + 5x = 55

Solving for variable 'x'.

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

Add '-25' to each side of the equation.
25 + -25 + 5x = 55 + -25

Combine like terms: 25 + -25 = 0
0 + 5x = 55 + -25
5x = 55 + -25

Combine like terms: 55 + -25 = 30
5x = 30

Divide each side by '5'.
x = 6

Simplifying
x = 6

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