(8+7)+(9-2)-4=18

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Solution for (8+7)+(9-2)-4=18 equation: 


Simplifying
(8 + 7) + (9 + -2) + -4 = 18

Combine like terms: 8 + 7 = 15
(15) + (9 + -2) + -4 = 18
15 + (9 + -2) + -4 = 18

Combine like terms: 9 + -2 = 7
15 + (7) + -4 = 18
15 + 7 + -4 = 18

Combine like terms: 15 + 7 = 22
22 + -4 = 18

Combine like terms: 22 + -4 = 18
18 = 18

Add '-18' to each side of the equation.
18 + -18 = 18 + -18

Combine like terms: 18 + -18 = 0
0 = 18 + -18

Combine like terms: 18 + -18 = 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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