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Simplifying 5(2x + 3) = 7(3x + -1) Reorder the terms: 5(3 + 2x) = 7(3x + -1) (3 * 5 + 2x * 5) = 7(3x + -1) (15 + 10x) = 7(3x + -1) Reorder the terms: 15 + 10x = 7(-1 + 3x) 15 + 10x = (-1 * 7 + 3x * 7) 15 + 10x = (-7 + 21x) Solving 15 + 10x = -7 + 21x Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-21x' to each side of the equation. 15 + 10x + -21x = -7 + 21x + -21x Combine like terms: 10x + -21x = -11x 15 + -11x = -7 + 21x + -21x Combine like terms: 21x + -21x = 0 15 + -11x = -7 + 0 15 + -11x = -7 Add '-15' to each side of the equation. 15 + -15 + -11x = -7 + -15 Combine like terms: 15 + -15 = 0 0 + -11x = -7 + -15 -11x = -7 + -15 Combine like terms: -7 + -15 = -22 -11x = -22 Divide each side by '-11'. x = 2 Simplifying x = 2
| F(b)=7b+2 | | 255/384 | | (4x+7)+(3x+6)=(8x-3) | | 6x+1.6=58 | | 48x^3+30x^2-8x-5=0 | | 744.6824=50.1*h | | Y^3-8y^2=9 | | -3x(x+11)=-15 | | m^2+11m+21=0 | | -5+12x=5(14x+21)+x | | http://img.megaresheba.ru/attachments/images/tasks/000/002/533/0000/57b48d4c47f95.png | | c^2-2ca+a^2+d^2-2bd+b^2= | | 13y-10y-15=45.57 | | -4u-20x=-140 | | X^6x+9=0 | | 4x-6=12-5x | | 7x+31+2x-19=180 | | 2k+8= | | x*.5*x+7.25=79.75 | | 12h=48-4m | | 0.125y+4=-17 | | a(4-x)=-3+b | | (7x-25)+(4x-7)=56 | | x+(7x-25)+(4x-7)=56 | | 8(x-3)-2(x+5)=2x+2 | | 4x^2+8y=15 | | 5(2x+3)=10x | | -x+y=24 | | (6x-11)=(2x+5) | | 4(6x+1)-20=3(4x+3)+23 | | x*x*.5*x+7.25=79.75 | | x^2-x-51=5 |
