7*40=4(40+30)

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Solution for 7*40=4(40+30) equation: 


Simplifying
7 * 40 = 4(40 + 30)

Multiply 7 * 40
280 = 4(40 + 30)

Combine like terms: 40 + 30 = 70
280 = 4(70)

Multiply 4 * 70
280 = 280

Add '-280' to each side of the equation.
280 + -280 = 280 + -280

Combine like terms: 280 + -280 = 0
0 = 280 + -280

Combine like terms: 280 + -280 = 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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