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Simplifying (3x + 15) = (x + 7) Reorder the terms: (15 + 3x) = (x + 7) Remove parenthesis around (15 + 3x) 15 + 3x = (x + 7) Reorder the terms: 15 + 3x = (7 + x) Remove parenthesis around (7 + x) 15 + 3x = 7 + x Solving 15 + 3x = 7 + x Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-1x' to each side of the equation. 15 + 3x + -1x = 7 + x + -1x Combine like terms: 3x + -1x = 2x 15 + 2x = 7 + x + -1x Combine like terms: x + -1x = 0 15 + 2x = 7 + 0 15 + 2x = 7 Add '-15' to each side of the equation. 15 + -15 + 2x = 7 + -15 Combine like terms: 15 + -15 = 0 0 + 2x = 7 + -15 2x = 7 + -15 Combine like terms: 7 + -15 = -8 2x = -8 Divide each side by '2'. x = -4 Simplifying x = -4
| 4w+7y+5x+7-14y+4w= | | 3n+2t=16 | | 3y-13=47 | | U/16=5 | | 8x+9=6x+51 | | 41=5y-9 | | 2x+8=11x+30 | | Y=y+c | | 8*s=1/2 | | 100=.4x+2.5x | | 48=-4-13n | | 3d-4=d+10 | | 5n-19=11 | | (12x)(-3y)(8z)= | | 47=3u-10 | | V=qv+r | | 4(3y-2)=-15 | | (2u-7)(3-u)=0 | | -5x(-5)=3x(-3) | | C=qv+r | | 4(3y-2)=15 | | x/2-5x/6=1/9 | | 3x/8=8=1 | | -2(-5+6v)+9v=28 | | 2/7=12/z | | 7+0.20=5-0.30x | | 3g+8=6d+11g | | x=4*(-2)+6 | | y/20=3/10 | | (x-15+x-5)=90 | | (5w-2)-(8w+7)= | | x=4*-2+6 |