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Simplifying 7q = q + 42 Reorder the terms: 7q = 42 + q Solving 7q = 42 + q Solving for variable 'q'. Move all terms containing q to the left, all other terms to the right. Add '-1q' to each side of the equation. 7q + -1q = 42 + q + -1q Combine like terms: 7q + -1q = 6q 6q = 42 + q + -1q Combine like terms: q + -1q = 0 6q = 42 + 0 6q = 42 Divide each side by '6'. q = 7 Simplifying q = 7
| x+0.2=150 | | X*0.06=58000 | | x^3-8x^2+30x+500=0 | | (10x+3)5x=50x+15x | | 15v-7=8v+7 | | (x-5)x=x-5x | | 5x+4y+z=100 | | 4p=0.5 | | (x+4)6=6x+24 | | 2w=w+7 | | 0.75x+0.25x=34.7 | | 5p-31=p+49 | | 3q=q+18 | | 2x^3+4x+5=5 | | u=2u-20 | | 40=18/x | | 2(4x-5)=12-(2x+8) | | x*x=729/36 | | x+80-0.4x=200 | | x*x=729/36. | | x^3+10x^2-18x-160=0 | | x^3+10x^2-18x=160 | | x^3+10x^2+15x+2=33x+162 | | -x^2+x-400=0 | | 5p=p+36 | | 12x+17=3x+170 | | 10(s-10)=143 | | (q-6)*4=28 | | 10x-(3x+6)=18 | | 42x+2= | | 72÷1/9 | | 72×1/9 |