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Simplifying 139 + 21 + 8 + 5b + 15 = 189 Reorder the terms: 139 + 21 + 8 + 15 + 5b = 189 Combine like terms: 139 + 21 = 160 160 + 8 + 15 + 5b = 189 Combine like terms: 160 + 8 = 168 168 + 15 + 5b = 189 Combine like terms: 168 + 15 = 183 183 + 5b = 189 Solving 183 + 5b = 189 Solving for variable 'b'. Move all terms containing b to the left, all other terms to the right. Add '-183' to each side of the equation. 183 + -183 + 5b = 189 + -183 Combine like terms: 183 + -183 = 0 0 + 5b = 189 + -183 5b = 189 + -183 Combine like terms: 189 + -183 = 6 5b = 6 Divide each side by '5'. b = 1.2 Simplifying b = 1.2
| -7+5x-4x=-2 | | 139+21+8+b+15=189 | | 2.7(b-4)= | | 14=9x+4-4x | | 5xy-8yz-4xz-5xy= | | f(-3)=2x-15 | | 9[3-6(2-4)]= | | 5=-7v | | (s+22)-18=30 | | 4w-22=-9(w+1) | | 2x+2=2.2 | | =24/29 | | 2x+2=2.2567888766 | | 2x^2-19x+18=0 | | 4x+23=7x-10 | | 12=x/20 | | 26=9x+2-3x | | 3.4=6.1-0.3x | | 3/49-12= | | 3x+4x-9=33 | | 2y+3x-5=0 | | -18x=5 | | 14=3v+8 | | 2x^3+3x^2-18x-12=0 | | 6(x+2)=-30 | | -8-3n=19 | | (x^1/3-2y^2/3)^2 | | (3xy)(3xy^2)= | | 10=x/4+8 | | 16y^2-4x^2=64 | | -3y+1/5=-2/5y-7/3 | | -8b=-64 |