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Simplifying -4 + -7(4 + -6r) = 40 + 6r -4 + (4 * -7 + -6r * -7) = 40 + 6r -4 + (-28 + 42r) = 40 + 6r Combine like terms: -4 + -28 = -32 -32 + 42r = 40 + 6r Solving -32 + 42r = 40 + 6r Solving for variable 'r'. Move all terms containing r to the left, all other terms to the right. Add '-6r' to each side of the equation. -32 + 42r + -6r = 40 + 6r + -6r Combine like terms: 42r + -6r = 36r -32 + 36r = 40 + 6r + -6r Combine like terms: 6r + -6r = 0 -32 + 36r = 40 + 0 -32 + 36r = 40 Add '32' to each side of the equation. -32 + 32 + 36r = 40 + 32 Combine like terms: -32 + 32 = 0 0 + 36r = 40 + 32 36r = 40 + 32 Combine like terms: 40 + 32 = 72 36r = 72 Divide each side by '36'. r = 2 Simplifying r = 2
| 37/40= | | 37/4= | | 6m+7-8=-19 | | 5(2b+11)= | | -2(-2+4x)=4+5x | | -4(-3w+9)-6w=2(w-8)-2 | | 12.26=s-6.69 | | 8c+2-c+6= | | 3x=(7y-2) | | -12(m-6)=-8(1+2m) | | -12(m-6)=8(1+2m) | | 16x-24=120 | | (2+5x+5x^2+8x^3)+(7-5x+5x^2-8x^3)= | | -7v+5(v+7)=7 | | 3/20= | | x^2+x-4= | | 2m+3p-p+m= | | -9u+18=-6(u-7) | | -23-143= | | -3(-18)+6y=-18 | | x^4-x^2+0.245=0 | | 13/20= | | 4(n+4)=-12(n-4) | | 13/65= | | 10p-2-p-14=6p-5-2p-6 | | (7w+6v)(7w-6v)= | | x^4-0.56x^2+0.0574=0 | | -2-2x+6-4x=-4-5x+8 | | 6y-15= | | x=.05*(100+x) | | x=.15*(100+x) | | 10+6y-6=-y-17 |