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Simplifying 3(7 + -3(x + 1)) + 2(x + 6(x + -1)) = 7x Reorder the terms: 3(7 + -3(1 + x)) + 2(x + 6(x + -1)) = 7x 3(7 + (1 * -3 + x * -3)) + 2(x + 6(x + -1)) = 7x 3(7 + (-3 + -3x)) + 2(x + 6(x + -1)) = 7x Combine like terms: 7 + -3 = 4 3(4 + -3x) + 2(x + 6(x + -1)) = 7x (4 * 3 + -3x * 3) + 2(x + 6(x + -1)) = 7x (12 + -9x) + 2(x + 6(x + -1)) = 7x Reorder the terms: 12 + -9x + 2(x + 6(-1 + x)) = 7x 12 + -9x + 2(x + (-1 * 6 + x * 6)) = 7x 12 + -9x + 2(x + (-6 + 6x)) = 7x Reorder the terms: 12 + -9x + 2(-6 + x + 6x) = 7x Combine like terms: x + 6x = 7x 12 + -9x + 2(-6 + 7x) = 7x 12 + -9x + (-6 * 2 + 7x * 2) = 7x 12 + -9x + (-12 + 14x) = 7x Reorder the terms: 12 + -12 + -9x + 14x = 7x Combine like terms: 12 + -12 = 0 0 + -9x + 14x = 7x -9x + 14x = 7x Combine like terms: -9x + 14x = 5x 5x = 7x Solving 5x = 7x Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-7x' to each side of the equation. 5x + -7x = 7x + -7x Combine like terms: 5x + -7x = -2x -2x = 7x + -7x Combine like terms: 7x + -7x = 0 -2x = 0 Divide each side by '-2'. x = 0 Simplifying x = 0
| (3x^2)+(4xy)-(x(y))= | | 7/b*2/7=1 | | x^2-2ax+(a^2-b^2)=0 | | (7x^3-5x+2)-(5x^3-4x^2+6x-7)= | | 5(3x+6)=3(5x+11) | | 7/7q-2=-5 | | 6(3x-5)=7(3x-12) | | 8(-3x+2)-5(7x-3)+9(4-2x)=-3(-2x-11)+8(5x-9) | | logx=ln(2x) | | 4/9-16m^2 | | 4a^2+8a-21=21 | | -2n-14=-15 | | 3x+4i=2+8yi | | h(2)=-5 | | h(-7)=-2 | | 6+3=3x | | y^2-5xy+6x^2=0 | | 6m^2/4m^3=0 | | 6m^2-4m^3=0 | | 6x-10y-8y+5x+9= | | -9+3x=1 | | √18x^3/√2x | | 9x-39=12 | | N+2n+5n=98 | | 1-1=820 | | x+0.13x=673.87 | | 10+5x+3=1 | | .33333333-2n=15 | | 0.0000000000011=2x^2*x | | 0.66+0.25=0.25x+3 | | 2(x+4)-2=12 | | (6/7)/(2/49) |