Answers
1)3x-2=-29
3x=-29+2
3x=-27
x=-27/3
x=-9
2)6+1/2x=4
1/2x=4-6
1/2x=-2
x=-2*2
x=-4
3)x/10+4=5
x/10=5-4
x/10=1
x=10*1
x=10
4)5x+3+x=75
6x=75-3
6x=72
x=72/6
x=12
29 November 2018
solve for x 1+2^(1-2x)=9×2^(-1-x)
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