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Simplifying 2x + -4(x + -5) = -4 + 5x + 3 Reorder the terms: 2x + -4(-5 + x) = -4 + 5x + 3 2x + (-5 * -4 + x * -4) = -4 + 5x + 3 2x + (20 + -4x) = -4 + 5x + 3 Reorder the terms: 20 + 2x + -4x = -4 + 5x + 3 Combine like terms: 2x + -4x = -2x 20 + -2x = -4 + 5x + 3 Reorder the terms: 20 + -2x = -4 + 3 + 5x Combine like terms: -4 + 3 = -1 20 + -2x = -1 + 5x Solving 20 + -2x = -1 + 5x Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-5x' to each side of the equation. 20 + -2x + -5x = -1 + 5x + -5x Combine like terms: -2x + -5x = -7x 20 + -7x = -1 + 5x + -5x Combine like terms: 5x + -5x = 0 20 + -7x = -1 + 0 20 + -7x = -1 Add '-20' to each side of the equation. 20 + -20 + -7x = -1 + -20 Combine like terms: 20 + -20 = 0 0 + -7x = -1 + -20 -7x = -1 + -20 Combine like terms: -1 + -20 = -21 -7x = -21 Divide each side by '-7'. x = 3 Simplifying x = 3
| f(x)=sinx+cosx | | 2x^2+10x=50 | | 5x+-4=24 | | 37.23=g+3.98 | | 50x+10=20x+16 | | -3x+5=7x-4 | | B^2-8b+20=0 | | F=1.5r+3.25 | | 5.4+-1.7= | | 15=(3+2x)(3.25+x) | | 3.8y=61.4 | | -5n-n+12=0 | | 2x^2+x=.5 | | 4t-t^2=0 | | F=1.5+3.25 | | 5(2x+5)=75 | | sin(3x)+sin(7x)=4cos(2x) | | factorx^4-2n^2+1= | | X^2+4x=295 | | 3=-3*(-3)+b | | -4-3x=7xd | | B+3(4)=24 | | 5p=tp | | 5(2x-5)=75 | | x^4-2n^2+1= | | 5y+3(y)+(2)=54 | | =24B+3(4) | | 4x+6+3+5x=18 | | x/4-6=-8 | | s^2+9s-9=0 | | 3(p-4)=3(p+1) | | 4(3)+b=24 |