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ICE Princess25 [194]
3 years ago
7

How to solve 10-3(3x-40)=-9x

Mathematics
1 answer:
vichka [17]3 years ago
3 0
<span>Simplifying 10 + -3(3x + -40) = -9x
 
Reorder the terms: 10 + -3(-40 + 3x) = -9x
10 + (-40 * -3 + 3x * -3) = -9x
10 + (120 + -9x) = -9x
 
Combine like terms: 10 + 120 = 130 130 + -9x = -9x
 
Add '9x' to each side of the equation. 130 + -9x + 9x = -9x + 9x
 
Combine like terms: -9x + 9x = 0 130 + 0 = -9x + 9x 130 = -9x + 9x

Combine like terms: -9x + 9x = 0 130 = 0
 
Solving 130 = 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.</span>
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