-243=-9(10+x)*

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Solution for -243=-9(10+x)* equation:



-243=-9(10+x)*
We move all terms to the left:
-243-(-9(10+x)*)=0
We add all the numbers together, and all the variables
-(-9(x+10)*)-243=0
We calculate terms in parentheses: -(-9(x+10)*), so:
-9(x+10)*
We multiply parentheses
-9x-90
Back to the equation:
-(-9x-90)
We get rid of parentheses
9x+90-243=0
We add all the numbers together, and all the variables
9x-153=0
We move all terms containing x to the left, all other terms to the right
9x=153
x=153/9
x=17

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