15+2(4)-4(4)=7

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Solution for 15+2(4)-4(4)=7 equation: 


Simplifying
15 + 2(4) + -4(4) = 7

Multiply 2 * 4
15 + 8 + -4(4) = 7

Multiply -4 * 4
15 + 8 + -16 = 7

Combine like terms: 15 + 8 = 23
23 + -16 = 7

Combine like terms: 23 + -16 = 7
7 = 7

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

Combine like terms: 7 + -7 = 0
0 = 7 + -7

Combine like terms: 7 + -7 = 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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