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Simplifying 2(4a + 5) + 134 = 80(a + 9) Reorder the terms: 2(5 + 4a) + 134 = 80(a + 9) (5 * 2 + 4a * 2) + 134 = 80(a + 9) (10 + 8a) + 134 = 80(a + 9) Reorder the terms: 10 + 134 + 8a = 80(a + 9) Combine like terms: 10 + 134 = 144 144 + 8a = 80(a + 9) Reorder the terms: 144 + 8a = 80(9 + a) 144 + 8a = (9 * 80 + a * 80) 144 + 8a = (720 + 80a) Solving 144 + 8a = 720 + 80a Solving for variable 'a'. Move all terms containing a to the left, all other terms to the right. Add '-80a' to each side of the equation. 144 + 8a + -80a = 720 + 80a + -80a Combine like terms: 8a + -80a = -72a 144 + -72a = 720 + 80a + -80a Combine like terms: 80a + -80a = 0 144 + -72a = 720 + 0 144 + -72a = 720 Add '-144' to each side of the equation. 144 + -144 + -72a = 720 + -144 Combine like terms: 144 + -144 = 0 0 + -72a = 720 + -144 -72a = 720 + -144 Combine like terms: 720 + -144 = 576 -72a = 576 Divide each side by '-72'. a = -8 Simplifying a = -8
| 4a2-a/a | | y=99.828x | | log(x)=1.79 | | 2.0317x^2+65.56x=0 | | y=2.0317x^2+65.56x | | 5x-19=2x+12 | | 21/57 | | f(x)=x(2x-1)(x+4) | | 2sin(x)=2-3cos^2(x) | | 40-19=3(x-4) | | 8-72y=95-15y | | 7x^2+2x-15=0 | | Y(1-x)DX+x(1+y)dy=0 | | 2t+4u=40 | | 27-17=5(x-8) | | 20x-16=18x+6 | | -(13+g)=-9 | | 61+4y-28=15y-9-4y | | 80=91x | | 2.9y+1.7=3.5+23y | | -2(-3x-1)-3=-4 | | 9y-9=7y+1 | | x+18+4x=-48-4x-51 | | 4(7x+5)-48x=10x-10 | | 9p+8q=108 | | 6x-12=4(x+7) | | 2cos^2(x)-4cos(x)=0 | | (9x^2-7)*(9x^2+7)= | | 2/9-3 | | 8P+4Q=68 | | x^2+ln(-x+4)= | | 2(x+5)=8is |