An equation of the type of ax + b = 0 is called a linear equation in one unknown, where a nad b are known numbers and x is an unknown value. To solve this equation means to find the numerical value of x , at which this equation becomes an identity.

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| 1.3=1,350,000+x | | 3y-7+y+27=5y+20-3y | | 1.3=1350000+x/500000+x | | 7=1/6(8x+24 | | 22-4n=2+n | | 12/42=4/x | | -9=(-16+x)/(-4) | | -10r+14=-11r | | -6/7=-7x | | X+(1/7)x=19 | | 2w+16=2/5w | | 7=6+m÷2 | | 1+2(3)+3x=19 | | 143=8x-9 | | 3(x+9)-2x=8 | | 3x+x+(x+55)=180 | | 2(5-11x)=-4x | | 3x+x+(x-55)=180 | | x-0.20x=74.74 | | x-0.20x=79.75 | | x-20x=79.75 | | x-0.25x=69.39 | | 10(-2q-16)=40 | | -3(6x-12)=36-18x | | x2-7x-368=0 | | x˄2–34x+24=0 | | 6-9x=-6-8x | | n(×)(n(+)3)=n(×)5 | | 1.5y-2.7=0.8+1.78 | | (0.8-x)^2+0.36=0 | | (0.8-x)^2+.0.36=0 |

| 5(y+5)-8y=22 | | 21=3u-7/2+9u+7/8 | | -7n-2=68 | | 3-8x=-18 | | 2(u-5)=7u-40 | | 14-2t=22 | | 11-2y=-31 | | 4.5+3+x=180 | | (0.8-x)(0.8-x)+36=0 | | x+(x-10)=12 | | 5x-7=2x+3(4+x) | | w=25w+7 | | 5r-9=14r+5 | | 7+y/2=3 | | 26=2+4u | | (x-1)x(x-2)=-7x-10 | | 3.0=(1.2)^2/(2.5)(x-1.4) | | 5x+3+3x=7 | | 2−(5x−3)−(7−x)=6 | | 2n+3/2=2n+12 | | 2(4y+-1)=22 | | 4x+x=6300 | | 500+8y=756 | | x/3+4=360 | | ((5x12)/3)+30=-50 | | 17-n=57 | | -2,-7;m=-2 | | -4x÷3x=-7-28 | | -2b+5=3 | | 34=-8(5x=2)-(8x-2) | | 4(x-7)=0.3(x+2)+2.11= | | 4x+10=6x-58+10 | | 4x+6x-58=180 | | 4x+10+6x-58=180 |

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