Good work ! Did you have a question you wanted to ask ?
3-(-9) Considering a negative plus a negative equals a positive your equation can be rewritten as 3+9 Which equals 12
There are 2 unknowns
It's about 34 and a third
7n + 1 = 6n + 8 7n=6n+7 (minus 1 from each side) n=7 (7n-6n equals n, you are left with n=7)
It might be possible to work this in your head. Your 98 is 100 minus 2. This means 98 plus 98 is 100 plus 100 minus 2 minus 2. That's 200 minus 4 which gives 196 as the answer.
yes you can
3x-8=7x+10x 3x-8=17x -8 = 14x -4=7x -4/7
It equals 1,861. This is how you do the work. 2,005 -189 _____ 1,861
cheater == 2[x-3]+3[x-2]=18 2x-6+3x-6=18 5x-12=18 5x=30 x=30/5=6
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The expression: 12+15h-14h+4 can be simplified to 16+h by combining like terms