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Simplifying 7 + -1a = 3a + 12 Reorder the terms: 7 + -1a = 12 + 3a Solving 7 + -1a = 12 + 3a Solving for variable 'a'. Move all terms containing a to the left, all other terms to the right. Add '-3a' to each side of the equation. 7 + -1a + -3a = 12 + 3a + -3a Combine like terms: -1a + -3a = -4a 7 + -4a = 12 + 3a + -3a Combine like terms: 3a + -3a = 0 7 + -4a = 12 + 0 7 + -4a = 12 Add '-7' to each side of the equation. 7 + -7 + -4a = 12 + -7 Combine like terms: 7 + -7 = 0 0 + -4a = 12 + -7 -4a = 12 + -7 Combine like terms: 12 + -7 = 5 -4a = 5 Divide each side by '-4'. a = -1.25 Simplifying a = -1.25
| 13.75/2.25 | | 19/4.75 | | n=2x+12 | | 2x(x+12)(x+7)=0 | | 2x-8y=24-6x | | 1/4p÷6-1/2p | | 3(4x-7)=-21+12x | | n/11-6=11 | | 4-8(y-6)=-12 | | 4.2-5-6.5= | | (6z-5)(3z-4)=180 | | -4m+-7=8+-9m | | D(p)=150-5p | | n/5-8=6 | | 6x+8x=154 | | -3-.75(c-4)=1.25 | | -110=13+3(4h-6) | | 16(6+12)=14B | | 2-8n=17+1-4n-6n | | z=am | | 110=18x+2 | | 26/4=? | | -6(-2+1)+18=24 | | 4ax+12-3ax=25+3a | | (1/30)*14 | | 2x(2x-8)=0 | | 0.2e+0.8e=x | | (1/30)x14 | | -5(x-2)=-7x-42 | | 18x+2=110 | | P-1=5p+3-1 | | n/5-4=8 |