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Simplifying (7x + 4) = (9x) Reorder the terms: (4 + 7x) = (9x) Remove parenthesis around (4 + 7x) 4 + 7x = (9x) Solving 4 + 7x = (9x) Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '(-9x)' to each side of the equation. 4 + 7x + (-9x) = (9x) + (-9x) Combine like terms: 7x + (-9x) = -2x 4 + -2x = (9x) + (-9x) Combine like terms: (9x) + (-9x) = 0 4 + -2x = 0 Add '-4' to each side of the equation. 4 + -4 + -2x = 0 + -4 Combine like terms: 4 + -4 = 0 0 + -2x = 0 + -4 -2x = 0 + -4 Combine like terms: 0 + -4 = -4 -2x = -4 Divide each side by '-2'. x = 2 Simplifying x = 2
| 9v-18=-3v+6 | | 17+8x=47+10x | | 3.2-0.8= | | (-9i)+17=-26 | | 16x+5=2x-7 | | 4x+2(-7)-(-4)= | | PV=rRT | | 0=x^2-20x-35 | | 4x+2(-7)+-4= | | -6b+7+4b=19 | | 2t^2-19t+36=0 | | 0.4(0.3x-1)= | | (7x^2+5x-2)(4x-9)= | | 2a-20.1=a-1.5 | | r=2t^2-19t+36 | | 61x^2+20x+4=90 | | -9+5(7)-8= | | 14x+2=48 | | 4(2x-5)-4=4(x-5)+4 | | 2x-3(x+2)=6 | | 5x-(8x+6)=3x-36 | | -[10x-(3x+1)]=-4[4(3x-3)-3x] | | 0=-4.9t^2+12t+0.2 | | 24.6-12x=14.75-11.98x | | (-5b)-6=-11 | | 5x+(8x+6)=3x-36 | | 49=21+b | | 4(7)-2(7-2)= | | 4y-8=13y+19 | | (3x^2-6x+1)-(8x^2+5x-3)-(9x^2+9x-9)+(3x^2+5x+2)= | | 13x-102=-77x-207 | | N-2.8=0.8n+1.2 |