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Simplifying 2.9 = 3.9 + -0.4x Solving 2.9 = 3.9 + -0.4x Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.4x' to each side of the equation. 2.9 + 0.4x = 3.9 + -0.4x + 0.4x Combine like terms: -0.4x + 0.4x = 0.0 2.9 + 0.4x = 3.9 + 0.0 2.9 + 0.4x = 3.9 Add '-2.9' to each side of the equation. 2.9 + -2.9 + 0.4x = 3.9 + -2.9 Combine like terms: 2.9 + -2.9 = 0.0 0.0 + 0.4x = 3.9 + -2.9 0.4x = 3.9 + -2.9 Combine like terms: 3.9 + -2.9 = 1 0.4x = 1 Divide each side by '0.4'. x = 2.5 Simplifying x = 2.5
| x^4=1.5 | | 0=r^2+2r-15 | | 11x(-3)x(-5)= | | (t^2+vn)(7t^2-6vn)= | | 0.5n+1.4=8.9 | | (-1)3*3*3= | | b=(72/a)/8 | | (2u+4ta)(u+ta)= | | 5v-8=-18 | | 4x(5x+7)+5X+7= | | r(r)+25=0 | | -13=-4+3u | | -2+2v=-12 | | 9x/18-7x/18-5x/18 | | 2b*4=a | | (x^2+3)2+21=10x^2+30 | | 10x^2+x=9x^2+2 | | (b-vn)(b-7vn)= | | 4(x-2)-(x-5)=2x+2 | | 3x-3=6x+21 | | -4x^3+76x^2-360x=0 | | 2x^2+7=49 | | (2a^2-b)(3a^2+3b)= | | 13x^2+19x-3=0 | | -1=4x+7 | | 5y(y)-y-4=0 | | -96+(-12)= | | 77)/? | | -6y^5(2y^2+9y-2)= | | (-6)(3)(4)= | | d=25y+25y | | 4x+20=4x+25 |