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Simplifying 2 = -4x + 21 Reorder the terms: 2 = 21 + -4x Solving 2 = 21 + -4x Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '4x' to each side of the equation. 2 + 4x = 21 + -4x + 4x Combine like terms: -4x + 4x = 0 2 + 4x = 21 + 0 2 + 4x = 21 Add '-2' to each side of the equation. 2 + -2 + 4x = 21 + -2 Combine like terms: 2 + -2 = 0 0 + 4x = 21 + -2 4x = 21 + -2 Combine like terms: 21 + -2 = 19 4x = 19 Divide each side by '4'. x = 4.75 Simplifying x = 4.75
| -25.8=-4.3r | | 10=-6.8+z | | 2.5n=22.5 | | d+5.6=2.9 | | 49.5=5.5s | | 2.9b=23.2 | | (2w^2-5w+1)+(-6w^2+4w+7)= | | 2.4=a-5.6 | | 2.4=a-5.7 | | 14x-21=4x+19 | | (2x+1)(x-5)=2x^2-2 | | 8.1*(-0.03)= | | -48*(-8)= | | (y^3)3= | | (5)(-7/10)= | | 8x+9=29 | | 8x+8=26 | | 9x+10=27 | | 8x+9=26 | | 9x+10=28 | | 9x+10=29 | | 9x+10=25 | | 14(3.5)= | | 10x+0.9=21 | | 10x+0.99=21 | | -4.2-(-3.8)+1.5= | | 4x+0.6=8 | | 7+(-6)-3= | | 4x+0.6=6 | | 4x+0.5=6 | | 6x+0.5=6 | | 5x+0.5=6.5 |