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Simplifying 0.7 * 30 = n Multiply 0.7 * 30 21 = n Solving 21 = n Solving for variable 'n'. Move all terms containing n to the left, all other terms to the right. Add '-1n' to each side of the equation. 21 + -1n = n + -1n Combine like terms: n + -1n = 0 21 + -1n = 0 Add '-21' to each side of the equation. 21 + -21 + -1n = 0 + -21 Combine like terms: 21 + -21 = 0 0 + -1n = 0 + -21 -1n = 0 + -21 Combine like terms: 0 + -21 = -21 -1n = -21 Divide each side by '-1'. n = 21 Simplifying n = 21
| -12+r= | | 13r+20= | | X*.07=500 | | =(8x^2+4)-(12x^2+5)+(x^2+2) | | 8m-6=-3m+115 | | 3x+30=1500 | | =(8x^2+4)+(12x^2+5)+(x^2+2) | | 1.5=15 | | 0.7*40=n | | 0.5*900=n | | (x+36)(x+36)=0 | | =(4x^2-1)+(x^3-3x^2+6x-2) | | 1.42y=3.17(y-8.57) | | 1500=30+x | | 5x-2x+6=x-8+14 | | 87=3v | | n+n-23=19 | | n=0.325*360 | | (4x-9)(8x+5)= | | 8=7y-3y | | n=0.225*280 | | Not= | | 14=51-x | | 3x^6(5x^4-9x)= | | x-34=14 | | =(4x^2+1)-(6x^2+x+1) | | 61=5-7h | | (x)(x)(x)+9x+10= | | 32=x+34 | | =(4x^2-1)+(6x^2+x+1) | | 1(x-2)=20 | | 4.875=p*37.5 |