x*40+30=190

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Solution for x*40+30=190 equation: 



x*40+30=190

We move all terms to the left:

x*40+30-(190)=0

We add all the numbers together, and all the variables

x*40-160=0

Wy multiply elements

40x-160=0

We move all terms containing x to the left, all other terms to the right

40x=160

x=160/40

x=4

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