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Simplifying 6x + 5 = -1(x + -21) Reorder the terms: 5 + 6x = -1(x + -21) Reorder the terms: 5 + 6x = -1(-21 + x) 5 + 6x = (-21 * -1 + x * -1) 5 + 6x = (21 + -1x) Solving 5 + 6x = 21 + -1x Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add 'x' to each side of the equation. 5 + 6x + x = 21 + -1x + x Combine like terms: 6x + x = 7x 5 + 7x = 21 + -1x + x Combine like terms: -1x + x = 0 5 + 7x = 21 + 0 5 + 7x = 21 Add '-5' to each side of the equation. 5 + -5 + 7x = 21 + -5 Combine like terms: 5 + -5 = 0 0 + 7x = 21 + -5 7x = 21 + -5 Combine like terms: 21 + -5 = 16 7x = 16 Divide each side by '7'. x = 2.285714286 Simplifying x = 2.285714286
| 7+x=6x+22 | | 8x+3=9x+12 | | 120=3.5x+x | | 20r^2=5r | | 8n-(2n+5n)=7 | | 0.2b+0.6(a-1.2b)=12 | | 8x-15x=8-15x | | x+7-7x+49=2 | | x+7-7x+4=2 | | 75x=75x | | x^2-66x+180=0 | | x^2-66+180=0 | | 4mn^2-4mn+n^2= | | 7a+2=4a-10 | | 7(4n-4)+2(n-5)=52 | | 60=120x*3.5 | | 75x+85x= | | 3(z-5)=8z | | 60x=120*3.5 | | 60x=120-3.5 | | 8(x+6)+3(x-1)=12 | | -7(n+5)-5(n+5)=-72 | | x^2+x+15=4 | | 2y+14=44 | | 2x*3=4 | | 2n^2=4n+14 | | 2n^2=4n+4 | | -6x-60=5x+83 | | -6(3n+7)= | | 5u-27=7(u-1) | | 3x-16=5x+16 | | 0.06=0.03+x+0.03x |