3(10)+4(10)+2(10)-7=90

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Solution for 3(10)+4(10)+2(10)-7=90 equation: 


Simplifying
3(10) + 4(10) + 2(10) + -7 = 90

Multiply 3 * 10
30 + 4(10) + 2(10) + -7 = 90

Multiply 4 * 10
30 + 40 + 2(10) + -7 = 90

Multiply 2 * 10
30 + 40 + 20 + -7 = 90

Combine like terms: 30 + 40 = 70
70 + 20 + -7 = 90

Combine like terms: 70 + 20 = 90
90 + -7 = 90

Combine like terms: 90 + -7 = 83
83 = 90

Solving
83 = 90

Couldn't find a variable to solve for.

This equation is invalid, the left and right sides are not equal, therefore there is no solution.

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