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Simplifying a + 7 = 2a + 2 Reorder the terms: 7 + a = 2a + 2 Reorder the terms: 7 + a = 2 + 2a Solving 7 + a = 2 + 2a Solving for variable 'a'. Move all terms containing a to the left, all other terms to the right. Add '-2a' to each side of the equation. 7 + a + -2a = 2 + 2a + -2a Combine like terms: a + -2a = -1a 7 + -1a = 2 + 2a + -2a Combine like terms: 2a + -2a = 0 7 + -1a = 2 + 0 7 + -1a = 2 Add '-7' to each side of the equation. 7 + -7 + -1a = 2 + -7 Combine like terms: 7 + -7 = 0 0 + -1a = 2 + -7 -1a = 2 + -7 Combine like terms: 2 + -7 = -5 -1a = -5 Divide each side by '-1'. a = 5 Simplifying a = 5
| 3+m=10 | | 1+3(1-2v)= | | 4+(3a-8)-a= | | 5a^2-2a-8-a^2-6a+3= | | 56=8v | | x^2+y^2=3600 | | (3x^2+5x-2)-(2x^2-3x+7)= | | 2h-18=10 | | 2+2(a-3)= | | 9=v+7 | | 2ln(3x+7)=14 | | 3+3(2r+4)= | | RL=6+100*0.08 | | 1/180,1/144,1/100 | | 5/8*1/16 | | x^4-4x^2+3x-6=0 | | (2y^2-y+3)-(3y^2-y-4)= | | 5x+34=3-2(1-7x) | | 14=3g+2 | | 6x+6x+5=-79 | | (5z-8)(2+z)=0 | | 3(11b+7)-10= | | (6x^2+2x-2)-(x^2+4x-1)= | | x=114.28+(-.714y) | | 9f+(2f+1)= | | 2bx(-b)= | | 2Z^7+7Z^6-5Z^2=0 | | 21=3(10+x) | | 2(5r-15)-10= | | 9b+(3b+8)= | | 7x+5y=800 | | 2y=-4+6 |