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Simplifying (4x + 6) = (7x + -21) Reorder the terms: (6 + 4x) = (7x + -21) Remove parenthesis around (6 + 4x) 6 + 4x = (7x + -21) Reorder the terms: 6 + 4x = (-21 + 7x) Remove parenthesis around (-21 + 7x) 6 + 4x = -21 + 7x Solving 6 + 4x = -21 + 7x Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-7x' to each side of the equation. 6 + 4x + -7x = -21 + 7x + -7x Combine like terms: 4x + -7x = -3x 6 + -3x = -21 + 7x + -7x Combine like terms: 7x + -7x = 0 6 + -3x = -21 + 0 6 + -3x = -21 Add '-6' to each side of the equation. 6 + -6 + -3x = -21 + -6 Combine like terms: 6 + -6 = 0 0 + -3x = -21 + -6 -3x = -21 + -6 Combine like terms: -21 + -6 = -27 -3x = -27 Divide each side by '-3'. x = 9 Simplifying x = 9
| f(x)=11x^3-6x^2+x+3 | | w-8=4x+5 | | -2+3v=-5 | | 0=2r^2-6r | | 17y+15=18y | | 0.6t-4-0.7t=-2 | | 16+5=30i-2 | | M=4n+5 | | 7d+3=18 | | -8z=-10z+4 | | 0.6(r-7)=1 | | 2y-14=7 | | 2u=-1 | | (n/3)-4=5 | | 7+m=-m-9 | | x+37=48 | | Cx+Ft=J | | 8-10w=-9w | | 25=1/6m | | -4y=2x+8 | | 0.5-3=14 | | -9-5s=-6s | | x+(x-40)=90 | | 3w^3+9=0 | | 512-j=450 | | 4(2x-1)=2(6x-1) | | 12(x+3)=24x+12x | | 19-6w=37 | | 5v-410=4/5 | | 3(2y+1)-9=4(6y-5)-3 | | 21=3u-9 | | 4p+40=3(3p+5) |