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Simplifying 2a + 5 = a + 7 Reorder the terms: 5 + 2a = a + 7 Reorder the terms: 5 + 2a = 7 + a Solving 5 + 2a = 7 + a Solving for variable 'a'. Move all terms containing a to the left, all other terms to the right. Add '-1a' to each side of the equation. 5 + 2a + -1a = 7 + a + -1a Combine like terms: 2a + -1a = 1a 5 + 1a = 7 + a + -1a Combine like terms: a + -1a = 0 5 + 1a = 7 + 0 5 + 1a = 7 Add '-5' to each side of the equation. 5 + -5 + 1a = 7 + -5 Combine like terms: 5 + -5 = 0 0 + 1a = 7 + -5 1a = 7 + -5 Combine like terms: 7 + -5 = 2 1a = 2 Divide each side by '1'. a = 2 Simplifying a = 2
| 2a+5=9+7 | | 5=11+3x | | 5s-8-2s+9= | | 8.7=3.5m-2.5(5.4-6m) | | 0.5=4.1x-2(1.3x-4) | | 1.6=7.6-5(k+1.1) | | -11.2+4(2.1+q)=-0.8 | | -1.3t=-12 | | 5x^2-6=0 | | 1.2(5-4g)=-18 | | 25=2(3.14)r | | 252=7(5k-4) | | 3-4x=5(x+6) | | -x+4=13 | | 2x^8+4x^7-6x^6+4x^5= | | 7x-2(x+6)=-2 | | -14x=3x+17 | | 4t-5=2t+5 | | 0=14-x+6x-9 | | 4y-13=-6y+7 | | 4y-13=6y+7 | | -2u-8=5u-1 | | 5x+9=3x+7 | | -6n-7(3n-5)=116 | | 3d+4-9d+12=0 | | 4x^2+12x=0 | | 4p-7=21-3p | | 2p-9=6p+7 | | a+3b=2 | | a+7b=14 | | B=.5(-9-B) | | 46=2-8w-3w |