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Simplifying 0.7x + -0.9(x + -2) = 0.2(x + -5) Reorder the terms: 0.7x + -0.9(-2 + x) = 0.2(x + -5) 0.7x + (-2 * -0.9 + x * -0.9) = 0.2(x + -5) 0.7x + (1.8 + -0.9x) = 0.2(x + -5) Reorder the terms: 1.8 + 0.7x + -0.9x = 0.2(x + -5) Combine like terms: 0.7x + -0.9x = -0.2x 1.8 + -0.2x = 0.2(x + -5) Reorder the terms: 1.8 + -0.2x = 0.2(-5 + x) 1.8 + -0.2x = (-5 * 0.2 + x * 0.2) 1.8 + -0.2x = (-1 + 0.2x) Solving 1.8 + -0.2x = -1 + 0.2x Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.2x' to each side of the equation. 1.8 + -0.2x + -0.2x = -1 + 0.2x + -0.2x Combine like terms: -0.2x + -0.2x = -0.4x 1.8 + -0.4x = -1 + 0.2x + -0.2x Combine like terms: 0.2x + -0.2x = 0.0 1.8 + -0.4x = -1 + 0.0 1.8 + -0.4x = -1 Add '-1.8' to each side of the equation. 1.8 + -1.8 + -0.4x = -1 + -1.8 Combine like terms: 1.8 + -1.8 = 0.0 0.0 + -0.4x = -1 + -1.8 -0.4x = -1 + -1.8 Combine like terms: -1 + -1.8 = -2.8 -0.4x = -2.8 Divide each side by '-0.4'. x = 7 Simplifying x = 7
| 50-3x=15x+2 | | -9n=63 | | 0.3(2z+5)+14.1=0.6(2z-4) | | 21(3x-18)=20(4x+4)-3(x+2) | | 3x+5=2+x | | an=5n-2 | | 121=-7-8(n-8) | | 6(x-7)+x=7(x-7)+7 | | 5(x+5)+5=5x+6 | | 3x-7(x+3)=-13 | | (3x-3)+(2x+13)=90 | | h-1=0 | | 12+x-16=4x+2 | | -94=-9+5p | | 6(3x+10)=-6(-4x+7) | | 5x^2(2+x)+9(x^3-5x^2)= | | 3x+-7x+21=-13 | | 9=-3x^2 | | 8=6+n/4 | | (-3x-10)(-3x+9)= | | -2x-5=9+5x | | 30-t=4t | | 3x-7x+21=-13 | | 7=10+y | | 0.3x+(x-10)*0.5=12 | | 90=-9(-6-2z) | | 6x-16=14-4x | | БиографияипсихологическийпортретРаскольников—человекзамечательногоума,онглубокоитонкочувствует,способенкпостоянномуинтеллектуальномуанализусвоихичужихпоступков.Оноченьзамкнут,необщителен.Единственныйдругего—этоРазумихин.Раскольниковзадавленнищетой,онстрад | | 3(y+4)-3=30 | | (9n^7+8n^6+7)+(5n^7+2n^6-4)= | | -3=x+15 | | 4x^2+41x+10= |