1.2(7)+7.5(7)+2.1=63

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Solution for 1.2(7)+7.5(7)+2.1=63 equation: 


Simplifying
1.2(7) + 7.5(7) + 2.1 = 63

Multiply 1.2 * 7
8.4 + 7.5(7) + 2.1 = 63

Multiply 7.5 * 7
8.4 + 52.5 + 2.1 = 63

Combine like terms: 8.4 + 52.5 = 60.9
60.9 + 2.1 = 63

Combine like terms: 60.9 + 2.1 = 63
63 = 63

Add '-63' to each side of the equation.
63 + -63 = 63 + -63

Combine like terms: 63 + -63 = 0
0 = 63 + -63

Combine like terms: 63 + -63 = 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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