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Simplifying 7x + 4(0.2) = 6.40 Multiply 4 * 0.2 7x + 0.8 = 6.40 Reorder the terms: 0.8 + 7x = 6.40 Solving 0.8 + 7x = 6.40 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.8' to each side of the equation. 0.8 + -0.8 + 7x = 6.40 + -0.8 Combine like terms: 0.8 + -0.8 = 0.0 0.0 + 7x = 6.40 + -0.8 7x = 6.40 + -0.8 Combine like terms: 6.40 + -0.8 = 5.6 7x = 5.6 Divide each side by '7'. x = 0.8 Simplifying x = 0.8
| -8x=-80 | | 8x-7=9x-1 | | 3/4=75 | | 4x+8-3x=6x+20 | | 5.7(x-1)=-0.3+30.3 | | 11+x=-15 | | 10x-4=2x+28 | | g(x)=-5x^2+7x-3 | | -42=4K | | 2u^6*y^2*7y^3*3u= | | 1/4(x-28)=3/4 | | 0.7x+0.1=3 | | 2x+19(.2)=5.40 | | x+123=23-75x | | 3(9b+c-3a)-3(a-5c+2b)= | | 7(8x-2)=14x | | 7(2.75+-9.5y)+4y=6.40 | | 6(x-2)+60=-2x | | x+11=39 | | 10=-m+8 | | 2x+19y=5.50 | | -32+23= | | 2(2.7+-9.5y)+19y=5.40 | | 1234567890x=5x | | 2x+5=6-7 | | -31+23= | | 15-x=x | | 5/X=11 | | 2x+19y=5.40 | | 15-x=15+x | | -10+19= | | 2(0.9142857143+-0.5714285714y)+19y=5.40 |