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Simplifying (4t + 16) + (5t + -21) = 280 Reorder the terms: (16 + 4t) + (5t + -21) = 280 Remove parenthesis around (16 + 4t) 16 + 4t + (5t + -21) = 280 Reorder the terms: 16 + 4t + (-21 + 5t) = 280 Remove parenthesis around (-21 + 5t) 16 + 4t + -21 + 5t = 280 Reorder the terms: 16 + -21 + 4t + 5t = 280 Combine like terms: 16 + -21 = -5 -5 + 4t + 5t = 280 Combine like terms: 4t + 5t = 9t -5 + 9t = 280 Solving -5 + 9t = 280 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '5' to each side of the equation. -5 + 5 + 9t = 280 + 5 Combine like terms: -5 + 5 = 0 0 + 9t = 280 + 5 9t = 280 + 5 Combine like terms: 280 + 5 = 285 9t = 285 Divide each side by '9'. t = 31.66666667 Simplifying t = 31.66666667
| 5/3+2/3x=13/6+3/2x+1/2 | | 9m+4+2n= | | (4t+16)+(5t-21)=140 | | -2.9c=20.3 | | 4/5+1/4t=3/5 | | 6.25/2.5 | | 4+6x-2x^3=0 | | 10x=57 | | (-3+2+1)r-2= | | N-32=15 | | 500=.0089t+1.1149t+78.4491 | | 9.99+1.25x=23.74 | | -3r+2r+r-2= | | x+(x+12)+0.5x=182 | | 3-5xt=7 | | 23.74x+9.99= | | -15+22=m-1 | | 9.99+23.74x= | | -x^2+1/3x-1/9=0 | | 78=n+(4n-4)+(3n+2) | | 1/2(x-3)+7+1/3(4+x)=12 | | 2x=-14+5y | | x^2+6x+8=-x^2-8x-16 | | 5m^2+24mn+16n^2= | | 0.9(5x+4)=0.45(x+7)-0.93 | | 10+5x=7x-10 | | 4.4y=-3.52 | | n-37/10=81/2 | | (6+2x)+(3x-17)=180 | | 10x-6=5x^2 | | log(x)+log(x-15)=log(12x) | | n-7/10=81/2 |