4(2x+5)-(8x+5)=15

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Solution for 4(2x+5)-(8x+5)=15 equation: 


Simplifying
4(2x + 5) + -1(8x + 5) = 15

Reorder the terms:
4(5 + 2x) + -1(8x + 5) = 15
(5 * 4 + 2x * 4) + -1(8x + 5) = 15
(20 + 8x) + -1(8x + 5) = 15

Reorder the terms:
20 + 8x + -1(5 + 8x) = 15
20 + 8x + (5 * -1 + 8x * -1) = 15
20 + 8x + (-5 + -8x) = 15

Reorder the terms:
20 + -5 + 8x + -8x = 15

Combine like terms: 20 + -5 = 15
15 + 8x + -8x = 15

Combine like terms: 8x + -8x = 0
15 + 0 = 15
15 = 15

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

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

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

Solving
0 = 0

Couldn't find a variable to solve for.

This equation is an identity, all real numbers are solutions.

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