3-(10)+4(20)-30=

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Solution for 3-(10)+4(20)-30= equation: 


Simplifying
3 + -1(10) + 4(20) + -30 = 0

Multiply -1 * 10
3 + -10 + 4(20) + -30 = 0

Multiply 4 * 20
3 + -10 + 80 + -30 = 0

Combine like terms: 3 + -10 = -7
-7 + 80 + -30 = 0

Combine like terms: -7 + 80 = 73
73 + -30 = 0

Combine like terms: 73 + -30 = 43
43 = 0

Solving
43 = 0

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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