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Simplifying (7x + -19) = (3x + 21) Reorder the terms: (-19 + 7x) = (3x + 21) Remove parenthesis around (-19 + 7x) -19 + 7x = (3x + 21) Reorder the terms: -19 + 7x = (21 + 3x) Remove parenthesis around (21 + 3x) -19 + 7x = 21 + 3x Solving -19 + 7x = 21 + 3x Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-3x' to each side of the equation. -19 + 7x + -3x = 21 + 3x + -3x Combine like terms: 7x + -3x = 4x -19 + 4x = 21 + 3x + -3x Combine like terms: 3x + -3x = 0 -19 + 4x = 21 + 0 -19 + 4x = 21 Add '19' to each side of the equation. -19 + 19 + 4x = 21 + 19 Combine like terms: -19 + 19 = 0 0 + 4x = 21 + 19 4x = 21 + 19 Combine like terms: 21 + 19 = 40 4x = 40 Divide each side by '4'. x = 10 Simplifying x = 10
| -10.5-12.4x=12.4x+10.72 | | r/4--9=13 | | 3=z/3.3 | | r/4--9 | | 2(n+8)=20 | | -4p+7=11 | | -359+334-22= | | f/4-2=1 | | 11-v=9 | | (8z-3)(z+9)-(8z-3)(z-8)= | | -11=-5+-3d | | 15n-10=8n+32 | | 14x+3x-x=4x+48 | | 8.3w-1.3=6.1w-7.9 | | 55+25y=500 | | -37+4r=7(1-r) | | q^2+26q+25=0 | | (1x+16)+(4x+4)=180 | | 5d-4=-4 | | 6m+5+7m=-21 | | In(e^2x)=19/5 | | 9x=3x-18 | | F(x)=x^3+9x^2-15x | | 3x-5+9=16+x | | 285.7=0.75p | | 7n+20=6n-6(-x+5) | | -6.8+2.8+x=9.7 | | 7t-5=-19 | | (X+16)+(4x+4)=180 | | 5y/2=30 | | x+25y=500 | | 5/3w=10 |