-7(-3)+2(-3)-3(-3)-7=17

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Solution for -7(-3)+2(-3)-3(-3)-7=17 equation: 


Simplifying
-7(-3) + 2(-3) + -3(-3) + -7 = 17

Multiply -7 * -3
21 + 2(-3) + -3(-3) + -7 = 17

Multiply 2 * -3
21 + -6 + -3(-3) + -7 = 17

Multiply -3 * -3
21 + -6 + 9 + -7 = 17

Combine like terms: 21 + -6 = 15
15 + 9 + -7 = 17

Combine like terms: 15 + 9 = 24
24 + -7 = 17

Combine like terms: 24 + -7 = 17
17 = 17

Add '-17' to each side of the equation.
17 + -17 = 17 + -17

Combine like terms: 17 + -17 = 0
0 = 17 + -17

Combine like terms: 17 + -17 = 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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