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Simplifying 2(r + -4) = 5(r + -7) Reorder the terms: 2(-4 + r) = 5(r + -7) (-4 * 2 + r * 2) = 5(r + -7) (-8 + 2r) = 5(r + -7) Reorder the terms: -8 + 2r = 5(-7 + r) -8 + 2r = (-7 * 5 + r * 5) -8 + 2r = (-35 + 5r) Solving -8 + 2r = -35 + 5r Solving for variable 'r'. Move all terms containing r to the left, all other terms to the right. Add '-5r' to each side of the equation. -8 + 2r + -5r = -35 + 5r + -5r Combine like terms: 2r + -5r = -3r -8 + -3r = -35 + 5r + -5r Combine like terms: 5r + -5r = 0 -8 + -3r = -35 + 0 -8 + -3r = -35 Add '8' to each side of the equation. -8 + 8 + -3r = -35 + 8 Combine like terms: -8 + 8 = 0 0 + -3r = -35 + 8 -3r = -35 + 8 Combine like terms: -35 + 8 = -27 -3r = -27 Divide each side by '-3'. r = 9 Simplifying r = 9
| 9x+x=25 | | -4y+12=-28 | | 2(3h-1)+4h=10(2-3h)+38h | | 3(5m-1)-7m= | | 2(3h-1)4h=10(2-3h)+38h | | 50=-2+13q | | 0.3(p+4)=2.7p | | 3-(2-f)+1=2(2-f) | | 7+23x=35+16x | | 3(d+1)=3+4(d+5) | | 7=-3.4x | | 5(b-6)=3+8(b+9) | | 10x=25 | | 9(z+1)=-3(5+z) | | 6(-3x+8)=-5(3x-7) | | -5.8+m=1.3 | | -4(1+x)=5(1-x) | | s=(n-2)180 | | 8x-4-3x=21 | | 2(v+1)=6v-64 | | 10k+3=6k-15 | | 7t+4=2(7t-5) | | 3(3.4)= | | 3r=2(7+5r) | | 8(3.4)= | | 4x+11X=105 | | 7y-4(3y-5)=80 | | -2(2p-3)=2p | | 26=-5(4+8y)-6 | | 3(2x+5)=24 | | 4x= | | 20-3(m-1)=-4 |