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Simplifying (6x * 2 + 3x + 1) + -1(6x * 2 + 3) = 7x + 15 Reorder the terms for easier multiplication: (6 * 2x + 3x + 1) + -1(6x * 2 + 3) = 7x + 15 Multiply 6 * 2 (12x + 3x + 1) + -1(6x * 2 + 3) = 7x + 15 Reorder the terms: (1 + 12x + 3x) + -1(6x * 2 + 3) = 7x + 15 Combine like terms: 12x + 3x = 15x (1 + 15x) + -1(6x * 2 + 3) = 7x + 15 Remove parenthesis around (1 + 15x) 1 + 15x + -1(6x * 2 + 3) = 7x + 15 Reorder the terms for easier multiplication: 1 + 15x + -1(6 * 2x + 3) = 7x + 15 Multiply 6 * 2 1 + 15x + -1(12x + 3) = 7x + 15 Reorder the terms: 1 + 15x + -1(3 + 12x) = 7x + 15 1 + 15x + (3 * -1 + 12x * -1) = 7x + 15 1 + 15x + (-3 + -12x) = 7x + 15 Reorder the terms: 1 + -3 + 15x + -12x = 7x + 15 Combine like terms: 1 + -3 = -2 -2 + 15x + -12x = 7x + 15 Combine like terms: 15x + -12x = 3x -2 + 3x = 7x + 15 Reorder the terms: -2 + 3x = 15 + 7x Solving -2 + 3x = 15 + 7x Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-7x' to each side of the equation. -2 + 3x + -7x = 15 + 7x + -7x Combine like terms: 3x + -7x = -4x -2 + -4x = 15 + 7x + -7x Combine like terms: 7x + -7x = 0 -2 + -4x = 15 + 0 -2 + -4x = 15 Add '2' to each side of the equation. -2 + 2 + -4x = 15 + 2 Combine like terms: -2 + 2 = 0 0 + -4x = 15 + 2 -4x = 15 + 2 Combine like terms: 15 + 2 = 17 -4x = 17 Divide each side by '-4'. x = -4.25 Simplifying x = -4.25
| 3x=1000 | | 12=0.9x | | -3a(7a+13)= | | 6a+5=17 | | 15+.50=25+.25c | | x+12+x=98 | | y^3-15y^2+54y= | | (-2)=0.8y | | x+x+x+y=33 | | -8x-46=38 | | 7x+30=2 | | 30z=z-5 | | -6x+9=4(-5-x) | | 8t+10t=-3 | | 3.4z=57.8 | | 4c-3(c-6)=2+2c | | 3.4a=578 | | 12+x=98 | | 2x+9x-3x+8=16 | | -4x^2+8x=-3 | | -8-46=38 | | -p-4p=0 | | 7(2n-1)=(2n+7)+4 | | f-1=3 | | 5a+9=6a | | 6(x^2+1)(x+4)= | | 18+4m+3m-12=27 | | 4y-3=2y+6 | | 5x-8=-6x-10 | | 6(x^2+2)(x+4)= | | 4x^2-26x-15=0 | | 8x+-78=26 |